airpollutionproject
DESCRIPTION
presentation on air pollutionTRANSCRIPT
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°°Air POLLUTION °°
Made by:-Sa’ad Umar 8-A
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What is air pollution ?
-Air supplies us with oxygen which is essential for our bodies to live.-There are several main types of
pollution. These include smog, acid rains, the greenhouse effect, and
"hole" in the ozone layer. -One type of air pollution is the release
of particles into the air.-Another type of pollution is the
release of noxious gases.-. Pollution also needs to be
considered inside our homes, offices, and schools.
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Outdoor Air Pollution
• Smog -Smog is a type of
large-scale outdoor pollution. It is caused by chemical reactions between pollutants derived from different sources.
-Cities are often centers of these types of activities.
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•Acid rains-It’s caused when a pollutant combines with droplets of water in the air.-The effects of acid rain on the environment can be very serious.
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• Hole in the ozone layer -It is another result of pollution. Chemicals
released by our activities affect the stratosphere. -Releases of Chlorofluorocarbon (CFC) from
heating, aerosol cans, refrigerator equipment removes some of the ozone, causing "holes”.