Download - The Atmosphere
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The AtmosphereThe Atmosphere
Air PollutionAir Pollution
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Most air pollution is the result ofburning fossil fuels…….
• Coal
• Oil
• Gasoline
• Diesel fuel
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• ½ of the air pollution comes from cars that burn gas and diesel.
• ¼ comes from factories and power plants that burn coal and oil.
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This forms 2 main types of air pollution
and
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SMOG• Today most cities experience
photochemical smog, caused by the action of sunlight on chemicals.
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How smog is formed…..
• Nitrogen combines with Oxygen = nitrogen oxides.
• Nitrogen oxides combine with hydrocarbons (from burning fossils fuels).
• In the presence of sunlight they form a mix of chemicals called photochemical smog.
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SMOG FORMATION
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Harmful Effects of Photochemical Smog
• Lung irritation-
• Harmful to plants
• Damages paint, rubber, and some plastics.
• Learn more!!EFFECTS
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ACID RAIN•Rain is naturally slightly acidic, but rain that contains more acid than normal is known as acid rain.
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ACID RAIN
• The smoke and fumes from burning fossil fuels rise into the atmosphere and combine with the moisture in the air to form acid rain.
• The main chemicals in air pollution that create acid rain are sulfur dioxide and nitrogen oxides.
• This forms a mild solution of sulfuric acid and nitric acid.
• Rainwater, snow, fog, and other forms of precipitation containing those mild acids fall to the earth as acid rain.
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ACID RAIN FORMATION
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Harmful Effects of Acid rain
• Damaging to buildings and statues.
• Harmful to plants, especially pine trees.
• Harmful to lakes and ponds. Acid rain can make water so acidic that plants, amphibians, fish, and insects can no longer survive in it.
• Can even be harmful to human health.
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Damage done by Acid Rain
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In Conclusion……
• Burning fossil fuels can create both photochemical smog and acid rain.
• They are both harmful to people and the environment.
• Click HERE to learn more from a short video.