The percentage of high school students who drink and drive was 17.5.pdf

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The percentage of high school students who drink and drive was 17.5% at the beginning of 2001 and declined linearly to 10.3% at the beginning of 2011.† (a) Find a linear function f(t) giving the percentage of high school students who drink and drive in year t, where t = 0 corresponds to the beginning of 2001 f(t)= ? (b) If the trend continues, what will the percentage of high school students who drink and drive be at the beginning of 2014? %? Solution.

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What aspects of today\'s information economy have influenced the importance of building partnerships? Solution A revolution in information and communications technology is transforming the way we live and work. Information Communication Technoloy is becoming the largest distribution platform of providing public and private services to millions of people in rural and poor areas. It is changing the way we deliver education and business services, design buildings and cities, and manufacture engines and cars. Market information, financial services, education and health services had largely been unavailable in those areas in the past due to lack of connectivity of any kind. Increases productivity and makes the market work more efficiently reaching population with low levels of income and literacy. A recognisable new dynamic force – the information economy – has emerged, and is transforming every other sector. The principles of business strategy are being transformed from focusing on physical assets and economies of scale to the drivers of success which reside in connectivity and intangibles. Businesses need to develop and manage complex ecologies or organizations around themselves so as to succeed. Barriers between companies, which used to be solid and absolute, are now permeable. Through virtual integration, the walls between enterprises crumble. Cyber security underpins the information economy. Without it businesses and consumers would not have the trust and confidence to use the internet and other digital technologies. People and businesses expect the right information to be available, all the time, and anywhere. Through trends such as cloud computing, software services and data are hosted away from users but are accessible on demand, any place or time.

What aspects of todays information economy have influenced the imp.pdf

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This week, we are going to work together as a class to assist the Lone Star Center for Disease Control. They have identified a closed population of 10, 000 individuals, where a particularly nasty strain of flu virus has started to spread. What we know about this particular virus: It spreads at a rate that is jointly proportional to both the number of infected individuals and then number of uninfected individuals. When 1, 000 individuals are infected, the rate at which individuals are becoming infected is 500 individuals per day. There are currently 200 individuals infected. The LSCDC has determined that it is critical for relief efforts that they know how long it will take, based upon available information, for 90% of the population to become infected with the virus. You are not required to solve this entire problem on your own. Post at least the equivalent of 50 words that contributes to us solving this together throughout the course of the week. Solution The performative installation \'Light, Sweet, Cold, Dark, Crude - LSCDC\' is a series of audio- visual microevents, process-oriented and informal in nature. The research and production of this work is informed by the realities of grey water in various states of composition, decompo-sition and recomposition. A specially designed software merges in real time moving image, drawing and light, accompanied by striking sounds..

This week, we are going to work together as a class to assist the Lon.pdf

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The phylogenetic species concept looks at environmental adaptations and morphology species response to adverse conditions and genetic data genetic data and environmental adaptations morphology and environmental adaptations morphology and genetic data Solution Answer: E. The phylogenetic species concept looks at morphology and genetic data. We can\'t take the data of environmental adoptation and response to adverse conditions for phylogenetic species concept..

The phylogenetic species concept looks at environmental adaptations a.pdf

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Take a position on this statement: The media represent realistic images of Arabs. Support your views with one or two reasons and / or examples. (Cite any sources you referenced.) take a position on this statement: The media represent realistic images of Arabs. Support your views with one or two reasons and / or examples. (Cite any sources you referenced.) Solution In my opinion, media does not represent realistic images of Arabs. Recently, the Arab American National Museum and the National Network for Arab American Communities partnered with the National Voices Project (NVP) to investigate, among other things, media bias against racial, ethnic, and religious groups. According to the survey, respondents agree that there is a “persistent negative media bias” against Muslims and Arabs/Arab Americans. Nearly 50% of adults believe there is a persistent negative media bias against Muslims and 44% believe the same of Arabs/Arab Americans. Media especially film media consistently commnicates negative image of Arabs and Muslims. In all terrorist based movies, it is shown that villain belongs to these communities and hero is either a Hindu or a Christian. Although survey respondents did feel that media bias against African Americans (40%) and Jewish people (23%) remains a problem, it is clear that Muslims and Arabs are currently in the (negative) spotlight. The history of stereotyping and media bias in the United States follows a clear trajectory: media bias increases when a specific ethnic, religious, or racial group is seen as a threat to national security (economic or otherwise). For example, Hispanics/Latinos have long been the focus of persistent negative media bias. Recent popular and political discourses on immigration portray “illegal” immigrants from Latino countries as a threat to the economy and safety of the nation..

Take a position on this statement The media represent realistic ima.pdf

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Suppose 60 different survey organizations visit eastern Tennessee to.pdf

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Relate selected early morphological developments in the ancestors of mammals to the demands of endothermic homeothermy. Solution Endothermic organisms are those organisms that maintain constant body temperature irrespective of the environmental temperature. This constant regulation of temperature (Homeothermy) is due to well developed metabolism in Mammales. Mitochondria play a crucial role in maintain Homeothermy Mammals evolved from a group of reptiles called the synapsids. A branch of the synapsids called the therapsids appeared by the middle of the Permian Period (275 to 225 million years ago). Over millions of years some of thetherapsids would evolve many features that would later be associated with mammals. The hallmarks of today\'s mammals are presence of hair, warm blood and milk-producing glands. - Some dinosaurs, such as the Stegosaurus and Dimetrodon, supported large plates or sails of skin, developed to function as solar panels, absorbing the sun\'s heat for quick mobilization. However, during the period of dinosaurs, some of the sail-backed pelycosaurs (which includes the Dimetrodon) lost their sails. It would be improbable that such an effective heating mechanism would be lost through evolution unless a more efficient method of heat control had evolved to replace it. It is therefore reasonable to supposed that the pelycosaurs and their successors, the therapsids, were to some degree endothermic. The therapsids, being only three feet long, would need some form of body insulation if it was to be effective. Thus, it is reasonable to conclude that some of these creatures were covered in hair, or fur..

Relate selected early morphological developments in the ancestors of.pdf

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Question VI. In 1976, Hozumi and Tonegawa published an elegant paper (Proc. Natl. Acad. Sci. USA 73, 3628-3632, 1976) showing that a V gene and a C gene are miles apart in germline DNA (from mouse embryos), but next to each other in antibody-coding DNA (from a myeloma tumor). Subsequent experiments have demonstrated unequivocally that the immune system generates the antibody diversity by shuffling a few hundred genes to create countless permutations, in a process called V(D)J recombination. In this process, RAG enzymes work as a multi-subunit complex to induce cleavage of a double-stranded DNA molecule between the antigen receptor coding segment and a flanking recombination signal sequence (RSS). They do this in two steps. They initially introduce a ‘nick’ in the 5\' (upstream) end of the RSS heptamer (a conserved region of 7 nucleotides) that is adjacent to the coding sequence, leaving behind a 3\'-hydroxyl group at the coding end and a 5\'-phosphate group at the RSS end. The next step couples these chemical groups, binding the OH-group (on the coding end) to the PO4group (that is sitting between the RSS and the gene segment on the opposite strand). [Assess each subsequent statement (64-71) as either factually correct (= “true”) or incorrect (= “false”)]: 64. This is an important enzymatic step in a process known as somatic recombination, which is limited to macrophages. 65. This is an event of the mechanism of genetic recombination in the early stages of Ig and TCRs production. 66. This produces a 3\'-phosphorylated double-stranded break at the RSS and a covalently closed hairpin at the coding end. 67. This produces a 3\'-phosphorylated double-stranded break at the RSS and a non-covalently closed hairpin at the coding end. 68. This produces a 5\'-phosphorylated double-stranded break at the RSS and a covalently-closed hairpin at the coding end. 69. This produces a 5\'-phosphorylated double-stranded break at the RSS and a non-covalently closed hairpin at the coding end. 70. This is an event of the mechanism of genetic recombination in the late stages of immunoglobulin (Ig) and T-cell receptors (TCRs) production. 71. The V(D)J recombination events are involved in somatic hypermutations of the TCR and the binding of the OH-group (on the coding DNA end) to the PO4-group (that is sitting between the RSS and the gene segment on the opposite DNA strand) plays an important role in these hypermutations, which contribute to generating TCR diversity. Solution 64. False This process is not limited to macrophages and occurs in the B cells and T cells. 65. True This occurs in early stages of production of T cell receptors as well as immunoglobulins. 66. False No 3\'-phosphorylated double-stranded break is produced 67. False No 3\'-phosphorylated double-stranded break is produced 68. True Yes, 5\'-phosphorylated break is produced at the RSS as well as on the coding end a covalently closed- hairpin is formed. 69. False Non- covalently closed hairpin is not .

Question VI. In 1976, Hozumi and Tonegawa published an elegant paper.pdf

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question - Jurassic Park (book and movie) proposed the concept of recreating dinosaurs based on knowing the sequence of dinosaur genomes. We now have the sequence of a Neanderthal (ancient hominid species that went extinct approximately 40,000 years ago) genome that is as accurate as the genome of a modern human. Therefore we may have the potential to recreate a Neanderthal – would you be interested in trying to recreate extinct species from genome sequences? question - Jurassic Park (book and movie) proposed the concept of recreating dinosaurs based on knowing the sequence of dinosaur genomes. We now have the sequence of a Neanderthal (ancient hominid species that went extinct approximately 40,000 years ago) genome that is as accurate as the genome of a modern human. Therefore we may have the potential to recreate a Neanderthal – would you be interested in trying to recreate extinct species from genome sequences? Solution The book and the movie Jurassic Park presented a masterpiece in sci-fi which ignited young minds with the spark of innovation and engineering in the field of genetic manipulation of organisms. The below are the points in response to the given question. (1) In my knowledge of science philosophy, creating and innovating in science is not (rather should not be) ONLY limited by theoretical or practical feasibilities but rather by ethics. Human is a social animal and is bound and institutionalized within its filial and geographical boundaries. Creating extinct races of humans, such as Neanderthals, will certainly pose complexities of maternal and paternal relations. Such an individual will face issues of emotional, psychological and cultural development. (2) Another aspect of looking at the given question would be related to the individual\'s acclimatization in the present earth environs. The Neanderthals used to inhabit the earth about 40000 ybp. Given the present time\'s phenomenon of global climate change and warming one might believe that the set of climatic parameters 40000 ybp were certainly and completely different that those of the present. Creating and bringing an individual of 40000 years before time would certainly be an act of pure science experiment without social and human perspectives kept in mind. Thirdly, the important aspect would be the place of the individual in the global food chain. The species in nature develop so as to fit in a crucial and defined role and place in energy transfer in ecological food web. In a nutshell, such created Neanderthals would be out of place and time in the current world scenarios. They will face climatic, cultural and ecological shock. Such individuals will be only a retrogressive science experiment with perhaps no contribution in research and development..

question - Jurassic Park (book and movie) proposed the concept of.pdf

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Python programming question : Assume that a file containing a series of integers is named numbers.txt. Write a program that calculates the average of all the numbers stored in the file. 49.6 expexted result : 349.2 Solution numbers = [] with open(\"numbers.txt\", \"r\") as ins: for line in ins: numbers.append(line) sum = 0 for i in range(0, len(numbers)): sum = sum + int(numbers[i]) average = sum/float(len(numbers)) print \"Average is \", average OUtput: sh-4.3$ python main.py Average is 5.5 numbers.txt 1 2 3 4 5 6 7 8 9 10.

Python programming question Assume that a file containing a serie.pdf

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Prior to the development of anti-retroviral drugs, HIV infected patients with AIDS developed a high frequency of Kaposi’s sarcoma. Why? a. Compromised Immune surveillance promotes the spontaneous appearance of Kaposi’s sarcoma. b. High levels of HIV replication in AIDS patients cause Kaposi’s sarcoma. c. Latent EBV is reactivated and causes Kaposi’s sarcoma. d. Latent HHV-8 is reactivated and causes Kaposi’s sarcoma. Solution Kaposi\'s sarcoma (KS) is a tmors with tiny new blood vessels grow under the the skin and in membranes of your mouth, nostril, eyes, and anus. It can spread in lungs, liver, stomach, intestines, and lymph nodes, which are glands that help fight contamination. The failure of a tumor to develop as it does within the immunosuppressive host might be not due to a loss of tumor-cell killing within the suppressed host. Instead, the better degree of immune response , even to tumor-inhibitory ranges, probably offers less fine guide to tumor increase. Because humans with HIV have weakened immune systems, they may be much more likely to expand KS. Most severe instances happen when a person has AIDS, the HIV contamination, however skin lesions can also show up in advance. They\'re a signal for high immune system Both EBV and KSHV are latent residents in B lymphocytes and display sporadic reactivation in lymphoepithelial tissues including tonsils .Lytic reactivation of EBV or KSHV in epithelial cells of the nasopharynx is strongly inspired by the differentiation. In addition, XBP-1s, a made from the gene accountable for B cellular differentiation, turned into currently suggested to be one of the physiological stimuli that trigger the lytic switch of EBV and KSHV in latently infected B cells.With the aid of infection with human herpesvirus eight (HHV8), also known as Kaposi sarcoma-related herpesvirus (KSHV) or KS agent.

Prior to the development of anti-retroviral drugs, HIV infected pati.pdf

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Please this is my second time posting. I really need the right answe.pdf

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Please by using Computer! Each of you were assigned a country on Wednesday for analysis. Alex & Sam--you were assigned Nicaragua. The last slide on the Human Rights power point includes four questions that should guide your research and report. Amnesty International and Human Rights Watch are the two leading human rights organizations in the world today. Excellent Web pages. The U.S. State Department publishes periodic country reports on human rights. Google. Your written report should run approximately 750 + words. This does not need to be an essay-- intro, body, conclusion. Rather we are looking for lots of information. Please by using Computer! Each of you were assigned a country on Wednesday for analysis. Alex & Sam--you were assigned Nicaragua. The last slide on the Human Rights power point includes four questions that should guide your research and report. Amnesty International and Human Rights Watch are the two leading human rights organizations in the world today. Excellent Web pages. The U.S. State Department publishes periodic country reports on human rights. Google. Your written report should run approximately 750 + words. This does not need to be an essay-- intro, body, conclusion. Rather we are looking for lots of information. Please by using Computer! Each of you were assigned a country on Wednesday for analysis. Alex & Sam--you were assigned Nicaragua. The last slide on the Human Rights power point includes four questions that should guide your research and report. Amnesty International and Human Rights Watch are the two leading human rights organizations in the world today. Excellent Web pages. The U.S. State Department publishes periodic country reports on human rights. Google. Your written report should run approximately 750 + words. This does not need to be an essay-- intro, body, conclusion. Rather we are looking for lots of information. Solution Amnesty international was know as Amnesty and AI. It is a non governmental organisation deals with human rights with 7 million members in the world. History: It was founded in London in July 1961 by English labour lawyer Peter Benenson. In 1967 Peter Benenson resigned after an independent inquiry did not support his claims that AI had been infiltrated by British agents. Later he claimed that the Central Intelligence Agency had become involved in Amnesty. In 1970 it was led by Seán MacBride and Martin Ennals. In 1980 Amnesty International was drawing more criticism from governments. The USSR alleged that Amnesty International conducted espionage, the Moroccan government denounced it as a defender of lawbreakers, and the Argentinian government banned Amnesty International\'s 1983 annual report. Throughout the 1990s, Amnesty International continued to grow, to a membership of over 7 million in over 150 countries and territories,[2]led by Senegalese Secretary General Pierre Sané. After 2000, Amnesty International\'s agenda turned to the challenges arising from globalisation and the re.

Please by using Computer!Each of you were assigned a count.pdf

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ort Answer: 1) Why would migration to an island by a single pair of birds be likely to lead to adaptive radiation in their descendants? Solution 1) The law of adaptive radiation by Osborn postulates, \"each isolated region, if large and sufficiently varied in its topography, soil, climate and vegetation, will give rise to a diverse fauna; the larger the region and more diverse teh conditions, the greater will be the variation of animals found\". Thus, the pair of birds entering an island will be prone to variations in topography and biological entities leading to adaptations in their features to lead a survival. The factors which would influence their adaptative radiation are need for food, need for safety, need for better breeding grounds, absence of enemies, presence of unoccupied environmental niches and isolation. 2) The incompleteness of fossils is caused by the following factors: Most of the animals and plants do not get suitable conditions for fossilization. They are destroyed by destructive forces. 3. a. Precursors of trilobites found in pre-Silurian rocks. b. Fossils of transitional whale with both teeth and baleen discovered..

ort Answer 1) Why would migration to an island by a single p.pdf

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Match the brain function with the area of the brain, (what\'s each of 5 main parts responsible for?) Match the stage of sleep with the brain activity - sleep spindles, dreaming. REM, delta Waves, Deep Sleep Essay - 4 goals of psychology and the questions they attempt to answer Solution The human brain has three main parts: cerebrum, brain stem and the cerebellum. Cerebrum is the major part that is divided into two hemispheres. There are four lobes harbored by the cerebrum: frontal lobe, parietal lobe, temporal lobe and occipital lobe. The frontal lobe is associated with memory, thinking process, behavior and movement. The parietal lobe handles the sensory information related to taste and touch and has some functions relating to language. Occipital lobe is responsible for vision. The temporal lobe functions to control hearing, language, speech, memory and emotions. The cerebellum is important in maintenance of posture and balance of the body. It also controls motor movements. The brain stem transfers information between the brain and the body and has role in breathing and functioning of heart..

Match the brain function with the area of the brain, (what.pdf

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Kyle has two friends Jeff and Shane. However, they cannot be very good friends because they do not know Kyle’s birthday! Kyle gives both friends the following ten days and tells them that one of the given days is his birthday. May 15 Kyle tells Jeff the month that he was born in, but only the month. Kyle tells Shane the day of his birthday, but only the day. The following conversation occurs: Jeff: I don’t know when Kyle’s birthday is, but I know for certain that Shane does not know either. Shane: At first I didn’t know Kyle’s birthday, but after what Jeff just said I now know! Jeff: Well if that is the case then I also know Kyle’s birthday. When is Kyle’s birthday? Note: You must answer this question by using the given information.May12 May 15May20June 15June 30July 20July 25July 28August 12August 25 Solution as jeff know the month and shane know the day if jeff say that shane does not know either and shane tell that afeter what jeff just said i know now so the answer is august 25.

Kyle has two friends Jeff and Shane. However, they cannot be very go.pdf

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In groups, start with a brainstorming session on what you know and don\'t know about mosquitoes in general. The class will compare lists to see how much collective information we can gather. Include, specifically, these questions in your brainstorming: Why were the researchers planning to use only female mosquitoes? Why do female mosquitoes bite for a blood \"meal\" in the first place? What do male and female mosquitoes live on as their main nutrient source (if only females take blood meals)? Continuing in your groups, work on the following: Based on the information above, write a plausible hypothesis that describes a possible mechanism to explain the differences between the forest and domestic forms in terms of their specific preferences for humans Based on your hypothesis, write one or more specific predictions that you could experimentally test. Draw a cartoon of a specific experiment you would want to design to test your predictions. During the lab meeting described in Part I of this case study. Carolyn brought up the concept of \"what makes a species one species.\" The most common way that scientists define species is called the \'biological species concept\" (BSC). Define the BSC What are the criteria used in the BSC in define a species? Solution Blood-feeding as a behavioural adaptation is exceedingly rare in insects. Of the 1-10 million insect species on earth, only ~10,000 feed on the blood of live animals. Among these, only about 100 species blood-feed preferentially on humans. When biting insects evolve to prefer humans, they can spread diseases such as malaria and dengue fever with devastating efficiency. The mosquito Aedes aegypti provides one of the best examples of specialization on humans. It originated as a wild, animal-biting species in the forested areas of sub-Saharan Africa, where the subspecies Ae. aegypti formosus is still often found living in forests and biting non-human animals today. The derived non-African subspecies Ae. aegypti aegypti, in contrast, has evolved to specialise in biting humans and thus has become the major worldwide vector of dengue and yellow fevers. The evolutionary adaptations that help subspecies aegypti exploit humans are most clearly seen where it has been reintroduced along the coast of East Africa and is known as the ‘domestic’ form. Researchers investigating the outbreak of an unknown illness in Tanganyika in 1952 discovered homes heavily populated by brown-pigmented ‘domestic’ mosquitoes. Subsequent work in the Rabai region of Kenya in the 1960s and 1970s showed that domestic mosquitoes readily entered homes, preferred to lay eggs in nutrient-poor river and rain water stored in containers indoors, were resistant to starvation as larvae, and had evolved a strong preference for biting humans. Black-pigmented populations of the native African subspecies formosus, known in Rabai as the ‘forest’ form, were found just hundreds of meters away avoiding homes, laying their eggs in tree holes and ro.

In groups, start with a brainstorming session on what you know and do.pdf

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How would you write this in MARIE assembly language? int count = 0; int number = 30; int otherNum = 10; while ( count <= number) count += 3; output = count/otherNum; Solution Answer: .zero 1 main: push rbp mov rbp, rsp mov DWORD PTR [rbp-4], 0 mov DWORD PTR [rbp-8], 30 mov DWORD PTR [rbp-12], 10 .L3: mov eax, DWORD PTR [rbp-4] cmp eax, DWORD PTR [rbp-8] jg .L2 add DWORD PTR [rbp-4], 3 jmp .L3 .L2: mov eax, DWORD PTR [rbp-4] cdq idiv DWORD PTR [rbp-12] mov DWORD PTR [rbp-16], eax mov eax, 0 pop rbp ret __static_initialization_and_destruction_0(int, int): push rbp mov rbp, rsp sub rsp, 16 mov DWORD PTR [rbp-4], edi mov DWORD PTR [rbp-8], esi cmp DWORD PTR [rbp-4], 1 jne .L7 cmp DWORD PTR [rbp-8], 65535 jne .L7 mov edi, OFFSET FLAT:std::__ioinit call std::ios_base::Init::Init() mov edx, OFFSET FLAT:__dso_handle mov esi, OFFSET FLAT:std::__ioinit mov edi, OFFSET FLAT:std::ios_base::Init::~Init() call __cxa_atexit .L7: nop leave ret push rbp mov rbp, rsp mov esi, 65535 mov edi, 1 call __static_initialization_and_destruction_0(int, int) pop rbp ret.

How would you write this in MARIE assembly languageint count = 0;.pdf

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I want help in the following C++ programming task. Please do coding in C++. Persistent Data Structures A persistent data structure is one in which we can make changes (such as inserting and removing elements) while still preserving the original data structure Of course, an easy way to do this is to create a new copy of the entire data structure every time we perform an operation that changes the data structure, but it is much more efficient to only make a copy of the smallest possible portion of the data structure. First, let\'s look at one of the easiest possible data structures — a stack, implemented using a linked list. Persistent Stack Let\'s say that we have a stack S1, and we want to create a new stack S2, which is the result of pushing a new element X onto S1, without changing S1 at all. This is easy — we just add a new element that points to S1: Starting with the stack S1: We push X on S1, to get S2, leaving S1 as it was. So after the operation we have two versions of the stack S1 the older version with elements A, B and C and S2 the newer version with elements X, A, B and C. What about popping? That works in the same way. Starting with our original S1 (elements A, B and C), we can pop off the first element (A), to get S2: What if we want to push something on to this new stack? It works in the same was as before – if we push an X onto S2 above to get S3, we have So for every operation you make a new version of the stack while reusing any existing stack elements. You will have to make a linked list of pointers that will point to the head of the different stack versions. Also each stack is also implemented as a linked list of elements SAB Solution #include #include #include #include #include #include #include #include #include #include #include namespace dts { template > class PersistentSet { public: PersistentSet(); PersistentSet(Func); bool add(const T&); bool add(T&&); bool remove(const T& key); bool empty() const; size_t history_size() const; class TreeIterator : public std::iterator, std::ptrdiff_t, const T*, const T&> { using node = typename dts::PersistentSet< std::remove_cv_t, Func>::Nodeptr; node itr; node nil; std::stack path; node find_successor(node n) { n = n->rigth; if (n != nil) { while (n->left != nil) { path.push(n); n = n->left; } } else { n = path.top(); path.pop(); } return n; } public: explicit TreeIterator(node n, node pnil) : nil(pnil) //begin { if (n == nil) itr = nil; else { path.push(nil); while (n->left != nil) { path.push(n); n = n->left; } itr = n; } } explicit TreeIterator(node pnil) // end : itr(pnil), nil(pnil) { } TreeIterator& operator++ () { itr = find_successor(itr); return *this; } TreeIterator operator++ (int) { TreeIterator tmp(*this); itr = find_successor(itr); return tmp; } bool operator == (const TreeIterator& rhs) const { return itr == rhs.itr; } bool operator != (const TreeIterator& rhs) const { return itr != rhs.itr; } const T& operator* () const { return itr- >key; } const T& operator-> () c.

I want help in the following C++ programming task. Please do coding .pdf

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How is the population on Earth protected from each radiation type? And explaine it. Solution The population are protected by the earth from harmful radiations of the sum. Cosmic rays: are high energy particles thrown at the speed of light. They bLast right through our body damaging the DNA. Such harmful rays are collided by oxygen and nitrogen particles in the atmosphere thus protecting us. Gamma&x rays: They are potentiak enough to damage our cells but the molecules in the atm. Absorb them and give protection. Uv radiation: sun always throws uv rafiation onto earth and earth inturn has a blanket called ozone layer to get protected from it. Sun flares: also kept away by the atmosphere. Vacuum: the temp. Of vacuum is too cold but our earth is protected by green house gases to maintain warmth. It is believed that the earths magnetic field also keeps awsy harmful radiations from sun and diverts them to anothet path. Layers of Atmosphere: There are 5 layers approx. 60 km thick. Troposphere: First layer near surface of earth. It provides majoriy of oxygen and protect from drought. StratospThe population are protected by the earth from harmful radiations of the sum. Cosmic rays: are high energy particles thrown at the speed of light. They bLast right through our body damaging the DNA. Such harmful rays are collided by oxygen and nitrogen particles in the atmosphere thus protecting us. Gamma&x rays: They are potentiak enough to damage our cells but the molecules in the atm. Absorb them and give protection. Uv radiation: sun always throws uv rafiation onto earth and earth inturn has a blanket called ozone layer to get protected from it. Sun flares: also kept away by the atmosphere. Vacuum: the temp. Of vacuum is too cold but our earth is protected by green house gases to maintain warmth. It is believed that the earths magnetic field also keeps awsy harmful radiations from sun and diverts them to anothet path. Layers of Atmosphere: There are 5 layers approx. 60 km thick. Troposphere: First layer near surface of earth. It provides majoriy of oxygen and protect from drought. Stratosphere: it had ozone layer and maintains stable weather. Mesosphere: meteors shrink up here. Ionosphere: radiowaves bounce off it. Imp for communication as satellites orbit here. Exosphere: outer layer which protects from solar wind..

How is the population on Earth protected from each radiation type A.pdf

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Farmer Brown plans on adding fertilizer to his crop. However, he\'s a little nervous because the last time he used fertilizer many of the plants wilted and some even turned brown and died. Why did this \"fertilizer burn\" occur in terms of water potential, and what could Farmer Brown do to enable him to add the same amount of fertilizer while being more likely to avoid this problem? Solution The plants suffered from fertilizer burn because farmer brown overdozed the plants with excessive fertilizer which dessicated the plant tissues due to increased osmotic stress creating a state of hypertonicity. Farmer Brown can avoid the recurrence of the same event by applying only dilute or controlled release fertilizer..

Farmer Brown plans on adding fertilizer to his crop. However, hes a.pdf

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