6) What is the definition of an acid- What is the definition of a base.docx

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6) What is the definition of an acid? What is the definition of a base? Why is a hydrogen ion also called a proton? Is a hydrogen ion the same as H + or is it H ? 7) What is the definition of a buffer? Explain the effects of buffers on pH change. 8) What is the pH scale? Which numbers indicate acids? Which numbers indicate bases? 9) How is the pH of a solution related to the ratio of hydrogen ions to hydroxide ions? 10) What are the three major molecular bonds in living systems? Which is strongest? Which is weakest? 11) What is the difference between a polar covalent bond and a nonpolar covalent bond? 12) What are the building blocks of a carbohydrate? What is the difference between a monosaccharide, a disaccharide and a polysaccharide? Name a few molecules of each. What do sugar molecules look like drawn out? .

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8. Shareholders have the right to attempt to influence the actions of the management. They can do this by putting nonbinding proposals forward-called resolutions-to be voted upon at annual shareholder meetings. (Small shareholders rarely attend the meeting, but may vote by proxy.) Until the 1970 s, shareholder resolutions tended to focus on bottom line concerns. But in 1971, the Episcopal Church filed the first church-sponsored shareholder resolution, challenging General Motor's operations in the apartheid regime in South Africa, and sparking others to make proposals related to corporate social responsibility. Today, shareholder activism continues to grow, with proposals each year on a range of issues, from executive compensation to diversity to the environment. Research: Locate a shareholder resolution dealing with environmental issues. Did it make it onto the proxy statement for voting? If so, with what result? .

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8. Consider how the heavy elements that make up planets like the earth are formed. Which of the following is most likely to be true about the origin of Earth? a. Earth arose around a very ancient star (our sun) that had had plenty of time to synthesize heavy elements. b. EARTH AROSE IN A REGION OF OUR GALAXY WHERE FEW EARLIER STARS FORMED SO THAT THE HYDROGEN FUEL FOR OUR SUN WAS ABUNDANT. c. Earth arose in a region that was very characteristic of other star forming regions so that other planets like Earth are likely to be very common. d. Earth arose in a region that was very unusual in having many earlier star life cycles so that other planets like Earth are likely to be very uncommon. .

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8. Identify the Tracing A. Premature Atral Complex B. Premature Ventricular Complex C. Sinus Bradycardia D. Ventricular Tachycardia E. Arial Flutter F. WPW with altermans G. Paroxysmal Ventricular Tachycardia 9. Identify the Tracing A. Premature Ventricular Complex B. Premature Atrial Complex C. Sinvs Bradycardia D. first Degree AV glock E. Ventricular Tachycardia F. Atrial Flutter G. WPW with alternans H. Paroxysmal Ventricular Tachycardia 1. Paroxysmal Atrial Tachycardia .

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74 Igmeouss Rocks Vilmene rexis ane moks that have on wallind frum lass - Fiyen 45 - d tieler cuer uat a compenelte velcanu C4.1s Buanew ia the arrial phesograph in ficure 4.8 . Hy if the erater ham been bexacbet ly a marrew dark. Moumt St. Melens, Wrashington Aerial photo made bofore 1900 eruption Igneous Rocks it ile iruter has bere breached by a Mount St. Helens, Washington Aerial photo made before 1960 eruption .

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75% of Puerto Ricans who immigrated to the United States After the earthquake at the beginning of 2020, they plan to return to the Island during the summer months 2021. According to the southern newspaper, in the past months there has been an increase in visitors from other countries to the beach areas of the northwest and southwest. On average, a Puerto Rican hostel hosts 45 foreign tourists per week and the standard deviation of 13.5 guests. It is important to establish that 60% of tourists from the Paradores are residents of Puerto Rico. We are interested in knowing how many the average hours employees work and to achieve this we selected a random sample of 32 weeks. Determine: a) What is the probability that the average number of foreign tourists from the sample is between 40 and 48 weekly tourists? b) What is the probability that the average number of foreign tourists be at least 43 a week? .

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7-1 Discussion: WorldCom: What Happened? Communication and group dynamics are important elements within the leading facet of the P-O-L-C framework. Read the following article from CNN describing Bernie Ebbers' downfall as CEO of WorldCom: Ex-WorldCom CEO Ebbers guilty. Based on what you read in the article, in your initial post, identify which two barriers to effective communication were most prominent within WorldCom and explain how these barriers led to the downfall of the company. Be specific and identify the communication barriers based on the information in Chapter 11 of your text. .

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7.) Some molecular data place the giant panda in the bear family (Ursidae) but place the lesser panda in a very different family, the raccoon family (Procyonidae). Consequently, the morphological similarities of these two species are probably due to: a) the inheritance of acquired characteristics b) sexual selection c) inheritance of shared derived characters d) possession of analogous structures e) possession of shared derived characters 8.) A paraphyletic group includes: a) a basal taxon b) the groups that form the nodes on a phylogenetic tree c) an ancestral species and all of its descendants d) species that show convergent evolution e) an ancestral species and some of its descendants 9.) Since all organisms share a common ancestor, it comes as no surprise that some characteristics are shared while others are not. If we consider hair and the backbone of mammals (which are vertebrates), we can say that the former is a(n) while the latter is a(n) a) monophyletic characteristic, paraphyletic characteristic b) monophyletic characteristic, polyphyletic characteristic c) shared derived character, shared ancestral character d) shared ancestral character, shared derived character e) ingroup, outgroup 10.) Refer to the figure to the right. A group that includes taxa C, D, E, F and G , but not the ancestor is called ... a) a monophyletic group b) the outgroup c) a polyphyletic group d) a paraphyletic group e) the ingroup 11.) An outgroup is an important part of a phylogenetic analysis. What is the function of the outgroup in this type of analysis? a) It reflects the ancestral states of the characters used in the analysis b) It is the species for which we are interested in studying its evolutionary relationship c) It reflects the derived states of the characters used in the analysis d) It reflects the shared derived states (synapomorphies) of the characters used in the analysis 12.) An outgroup should be: a) part of the ingroup b) as closely related to the ingroup as possible without being part of the ingroup c) as distantly related to the ingroup as possible d) the predator of the species in the ingroup .

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7. What are the similarities between these surface features? What does this suggest about the possibility of water on Mars? 8. Scientists who disagree with the hypothesis that the Martian channels were caused by flowing water often point out that it is not clear where the water comes from, or where it goes. In the US Rivers image, the waters of the Mississippi River flow from the top of the image in a number of tributaries that combine to form the river that flows off into the Gulf of Mexico at the bottom of the image. Examine the Mars Channels. Which direction (N, NE, E, SE, S, SW, W, NW) is downhill? How do you know? Part 4: Giant Planets Look at the images of the outer Gas Giant Planets. 9. How are the outer (Jovian) planets different from the inner terrestrial planets? Give at least four differences. 10. The bands and stripes on Jupiter, Satum and Neptune are common to all planets with atmospheres. On the Earth, these bands are trade winds (westward surface winds), and jet streams (eastward high-altitude winds). On the Earth, and Venus, the energy that drives the winds comes from the Sun, which heats the ground and the lower atmosphere, starting the process of convection. However, Jupiter, Saturn, Uranus and Neptune have no "ground", and are much too far from the Sun for their winds to be "solar-powered". Where does the energy to drive these winds come from? .

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