Blast Off Presentation Savannah
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The document discusses which propellant is best for a space mission while keeping the environment safe. It analyzes hydrogen and oxygen propellant versus four other options. It determines that hydrogen and oxygen is the best choice because it is completely environmentally friendly and will not harm humans, animals, or the atmosphere. Though it costs more, it is worth it to avoid environmental damage and cleanup costs from the other more harmful propellants.
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This document discusses various liquid propellants that could be used for a space mission. It provides information on the efficiency, environmental impacts, safety, and ignition requirements of several options including hydrogen and oxygen, ethanol, and unsymmetrical dimethylhydrazine. While unsymmetrical dimethylhydrazine has a higher efficiency, the document concludes that hydrogen and oxygen would be the best choice as it has the highest efficiency of the options considered, produces the fewest environmental impacts, and is safer than other propellants.
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The document discusses air pollution and provides information on its causes and effects. It defines air pollution as the release of pollutants such as nitrogen oxide, volatile organic compounds, and carbon dioxide into the air. Major causes of air pollution include the burning of plastic waste, industrial emissions, wildfires, and transportation. Exposure to air pollution can cause various health issues and affect environmental health through ozone layer depletion. Reducing plastic use, adopting electric vehicles, and improving industrial emission standards are some ways to reduce air pollution levels.
Natural Air Purifiers
Below is the list of some of the most common and easily available plants which are Natural air Purifiers. One can easily find these plants in the plant nurseries and get them planted in their homes in a plant pot. These pots then can be placed indoors for filtering the air.
Air pollution
Air pollution is the introduction of chemicals, particulate matter, or biological materials into the atmosphere that cause harm. There are several main types of air pollution including smog, acid rain, the greenhouse effect, and depletion of the ozone layer. Air pollution affects human health in both short and long term ways and poses risks especially to children, the elderly, and those with preexisting heart and lung conditions. Efforts like reducing vehicle use, opting for cleaner energy sources, minimizing waste burning, and recycling can help address the sources of air pollution.
air pollution
The document discusses air pollution, its causes and effects. It outlines the primary air pollutants such as particulate matter, carbon monoxide, carbon dioxide, volatile organic compounds, sulfur dioxide, nitrogen oxides and fluorides. Secondary pollutants like photochemical smog and acid rain are also mentioned. Control methods for air pollution include the use of scrubbers, cyclonic separators and electrostatic precipitators to capture particulate matter, and combustion, absorption and adsorption techniques to control gaseous pollutants. The role of Central Pollution Control Board in regulating air pollution in India is highlighted.
Air And Air Pollution
This document discusses various topics related to air and air pollution. It defines air pollution as a mixture of solid particles and gases in the air that can be caused by vehicle emissions, chemicals, dust, airplanes, and pollen. It notes that factories, machines, and energy usage can make the air bad through the gases they release. The gases from vehicles, planes, chemicals, and factories can make the air unhealthy for humans, animals, and plants by making it difficult to breathe or even poisonous in high amounts. Factories in particular release large amounts of pollutants that can harm air quality.
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The document discusses various sources and effects of atmospheric pollution. It notes that diesel fuel from transportation and coal burning power plants emit pollutants like carbon dioxide and particulate matter that negatively impact human health. Manufacturing is also a major contributor to air pollution. The pollution causes issues like asthma and lung cancer. The document argues that increased air pollution will decrease quality of life and increase disease rates unless stronger efforts are made to transition to renewable energy and reduce emissions from industry, transportation, and human activities.
Air Pollution in India
This document discusses air pollution, its causes, and effects. It defines air pollution as occurring when harmful amounts of gases, dust, fumes or odors are present in the air. The six most common pollutants are particulate matter, carbon monoxide, sulfur dioxide, lead, nitrogen dioxide, and ground-level ozone. Major sources of pollution include vehicles, industries, crop burning, and others. Air pollution affects both human and environmental health, causing diseases and issues like acid rain and global climate change. The document examines pollution levels and control measures in Delhi, India.
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Blast Off Presentation Savannah
- 2. Hello! Today I will be explaining which propellant is best suited for my space mission! We definitely need to keep our environment safe and not damaged by the propellants. Therefore, I will demonstrate which propellant out of the 4 will be the best to keep the environment happy and healthy.
- 3. The propellant that I decided and agreed on is the Hydrogen and Oxygen propellant.
- 5. The main reason selected the Hydrogen and Oxygen propellant is because it is extremely environmental friendly! In no way will it harm the humans, the animals, and most important our atmosphere. The other propellants such as Methylhydrazine, Nitrogen Tetroxide, n- dodecane and Oxygen and Ethanol and Oxygen can harm the surrounding and it would cost a lot to clean up the mess made by the propellants. The Hydrogen and Oxygen propellant will cost more then the 3 others, but it is well worth it.
- 6. Methylhydrazine is a highly corrosive chemical. Contact with this chemical can irritate and/or burn your eyes and skin. It also affects you when breathed in. Breathing it in can cause great irritation to your lungs, it may cause shortage of breathe and severe coughing. If Nitrogen Tetroxide was the released gas from the propellants, the gas would be spread out into the air. Then seeping through our crops and we would be eating this poisonous gas that could cause a illness. There are no sudden symptoms. It could make you very sick.
- 7. N-Dodecane carries carbon dioxide, which is a green house gas. As we all know, greenhouse gases can destroy our ozone and cause a hole in it. Ethanol can be great for the planet because it is non-toxic, water soluble and quickly biodegradable. But in it’s chemical reaction it contains Carbon Dioxide. Which is a greenhouse gas, this gas can destroy our ozone layer and we are trying to find solutions that will not harm our planet in any way.
- 8. Although the Hydrogen and oxygen propellant is a little costly, it is environmentally safe and is a good choice to use this propellant. It keeps the animals and the humans safe, no money will be wasted on trying to clean up or fix the mess, it will not put any toxics in the air or destroy our ozone layer. It’s definitely a smart choice if we would like to keep our planet clean and safe.