Causes and Effects of Air Pollution. Earth is everybody’s home and nobody likes to live in a dirty home. Of all the changes swirling among us‚ those that affect the natural environment seems to hold the most serious implication for human life. From a long period of time‚ people have been polluting the earth surface‚ but because of earth’s own ability to absorb and purify minor quantities of pollutants‚ the problem has been minimal. It is significant
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these fossil fuels are likely to become more expensive as they begin to run out. Petrol‚ diesel and other fuels produced from crude oil make a range of harmful substances when they are burned‚ including: carbon dioxide carbon monoxide water vapour particulates (solid particles) sulfur dioxide oxides of nitrogen or NOx. Biodiesel Biodiesel is made from rapeseed oil and other plant oils. It can be used in diesel-powered vehicles without needing any modifications to the engine. Bioethanol Ethanol‚ C2H5OH
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warming is a major environmental issue that is caused by the use of fossil fuels. When fossil fuels are burned‚ carbon dioxide is emitted. It captures heat in the earth’s atmosphere. What is happening is that the more carbon dioxide emitted the warmer the earth’s climate is getting. I know some may be thinking that warm weather is great! Keep the global warming and the carbon dioxide coming! Global warming‚ however‚ is seriously dangerous for our society‚ economy‚ and our environment. Global warming
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object. The density of water is 1 g/㎤. Any object with a density less than that will float. Any object with density more than that will sink. Carbon dioxide‚ or CO2‚ also played a big role in this experiment. Many soft drinks contain CO2. Studies show that Sierra Mist had the most carbonation out of most soft drinks. There was a lot of carbon dioxide in the soda. That was the reason the raisins would float up and down. There were many purposes to this experiment. One purpose was to teach us about
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to make an acidic solution. It smells like rotten horseradish and it is very toxic. It burns easily‚ making selenium dioxide. It is similar to hydrogen sulfide‚ a gas that smells like rotten eggs. It is a strong reducing agent. It can be used to add selenide ion to organic compounds. It can also be used to make selenium by reacting it with sulfur dioxide. This makes selenium‚ sulfur‚ and water
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to power our vehicles gives off CO2 emission. This pollution by vehicles also produces toxic substances such as sulfur dioxide and carbon which can be fatal to humans. Air pollution also comes from industry as this source of pollution spews particulate matter and chemicals into the atmosphere. The output from factories includes sulfur dioxide‚ nitrogen dioxide‚ carbon monoxide and dioxide. Almost all of Earth’s atmosphere or ecosystem has been altered by the long-term effects of pollution by industries
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Position Paper 1: Global Climate Change – Is climate change a natural phenomenon or caused by man? There has been some discussion and debate over the causes of global climate change and particularly‚ the causative forces that have contributed to the measured increase in the mean atmospheric temperature over the last several decades. Many researchers and climatologists have concluded‚ using climate modeling systems that the main cause is anthropogenic (man caused). Other researchers have
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gases in the atmosphere are the substances that trap heat and insulate Earth from temperature swings: • • • • • Water vapor (H2O) Carbon dioxide (CO2) Methane (CH4) Nitrous oxide (N2O) Ozone (O3) Global warming Human activity intensified the growth of greenhouse gases: 1. Fossil fuel use is the primary source of carbon dioxide: C7H16+11O2 = 7CO2+8H2O 2.
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may be natural or man-made.[2] Pollutants can be classified as primary or secondary. Usually‚ primary pollutants are directly emitted from a process‚ such as ash from a volcanic eruption‚ the carbon monoxide gas from a motor vehicle exhaust or sulfur dioxide released from factories. Secondary pollutants are not emitted directly. Rather‚ they form in the air when primary pollutants react or interact. An important example of a secondary pollutant is ground level ozone — one of the many secondary pollutants
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* Quarrying * Farming * The draining of wetland areas * Recreational uses • Section 2: POLLUTION. * WATER POLLUTION- sewage‚ fertilizers‚ chemicals and eutrophication. ü AIR POLLUTION- Sculpture dioxide from burning fossil fuels leading to acid rain‚ carbon dioxide from burning of fossil fuels and methane from cattle and rice fields leading to greenhouse effect and global warming. * LAND POLLUTION - pesticides‚ herbicides‚ and nitrates wash into rivers and lakes affecting
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