I think the thesis of “I am the Enemy” by Ron Karpati is that animal experiment is needed to develop vaccines against deadly disease to save people’s life from it. And the thesis of “Vegetarian is the New Prius” by Kathy Freston is that having a green diet helps reduce greenhouse effect because a lot of global warming emissions come from livestock. Lastly the thesis of “Feminism Doesn’t Mean a BAttle of the Sexes‚ but a Common Goal for All” is that feminism is not the thing that only claim women’s
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However‚ several industries play a key part in economic such as metallurgy‚ building industry‚ chemical industry or industries burn fossil fuel‚ coal‚ natural gas‚ etc are the main source of air pollution. It produces a large amount of carbon dioxide‚ methane‚ nitrous oxide which are the main component of greenhouse gases (factor causes global warming). On the contrary‚ global warming also affects economic. Climate change and global warming can bring a change in gross world product; it may be plus or minus
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Fossil fuels such as gasoline‚ methane and propane contain mostly carbon. When these fuels are burned‚ they react with oxygen and produce carbon dioxide. Because of our heavy use of fossil fuels‚ the amount of carbon dioxide in the atmosphere has been increasing since the industrial revolution. The destruction of forests which use carbon dioxide also contributes to the increase in carbon dioxide. Most of the light energy from the sun is emitted in wavelengths shorter than 4‚000 nanometers (.000004
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process that warms the Earth’s surface. When the Sun’s energy reaches the Earth’s atmosphere‚ some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases. Greenhouse gases include: water vapour carbon dioxide methane nitrous oxide ozone and some artificial chemicals such as chlorofluorocarbons (CFCs). The absorbed energy warms the atmosphere and the surface of the Earth. This process maintains the Earth’s temperature at around 33 degrees Celsius warmer than
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contain high percentages of carbon and include coal‚petroleum‚ and natural gas.[5] They range from volatile materials with lowcarbon:hydrogen ratios like methane‚ to liquid petroleum to nonvolatile materials composed of almost pure carbon‚ like anthracite coal. Methane can be found inhydrocarbon fields‚ alone‚ associated with oil‚ or in the form of methane clathrates. The theory that fossil fuels formed from the fossilized remains of dead plants[6] by exposure to heat and pressure in the Earth’s crust
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only ones affected by paper production. The process of papermaking is chemical process. The paper industries release chemicals into water and air. Thrown away paper also affects the environment. In the land-fills paper can decompose and produce methane‚ a greenhouse gas with 21 times the heat-trapping power of carbon dioxide. Some of the efforts to consider are cut fewer trees down‚ produce less paper‚ print on both sides of paper‚ and start recycling paper. The production of oil can cause severe
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Many alkanes are obtained from crude oil by fractional distillation. The smallest alkanes are used extensively as fuels. Apart from burning‚ however‚ they are remarkably unreactive. Alkane Methane Ethane Propane Butane Pentane Alkene Ethene Propene Butene Pentene Alkane Methane Ethane Propane Molecular formula CH4 C2H6 C3H8 C4H10 C5H12 Molecular formula C2H4 C3H6 C4H8 C5H10 Molecular formula CH3OH C2H5OH C3H7OH Display formula Display formula
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and prevent it from escaping into space. This keeps our planet warm enough for life and is known as the natural "greenhouse effect". These atmospheric gases are known as greenhouse gases. The main greenhouse gases are carbon dioxide‚ water vapor‚ methane‚ nitrous oxide‚ and ozone (Environmental Protection Agency). Without the natural greenhouse effect‚ the earth ’s average temperature would be much colder‚ and the planet would be uninhabitable. Although this is a necessary process‚ an overbuild
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The earth‚ as we know it‚ is slowly becoming a landfill. Mountains of garbage are accumulating everywhere. Garbage is accumulating not only on land but in the ocean as well. If this continues the earth itself will become a giant landfill. The air will become greatly polluted as well as the water. These unhealthy habits must change. One healthy way to reduce the large amount of garbage on earth is to recycle. Although it may be easier to just throw a bottle or soda can into a trash‚ as many lazy Americans
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following composition: 75.66% N2‚ 10.24% CO2‚ 8.27% H2O‚ 5.75% O2 and 0.0825% SO2. On the next day‚ you show these figures to the plant superintendent and he insists that the analysis must be incorrect‚ since the fuel was a natural gas containing methane and ethane and no sulfur. Then‚ you ask the superintendent if they ever burn another fuel and he replies that they sometimes use a fuel oil. However‚ the plant log shows that they were wrong no doing so when the measurement were made. 1. Draw and
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