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HELLO!


Hello! We are group 9 from class 1C2 from Crescent Girls School and we are doing our PBL. Any comments or enquires are greatly welcomed! =)

SUGGESTIONS!



ENQUIRES!



HISTORY-

June 2008
July 2008
August 2008

CREDITS

1 2 3



Monday, July 7, 2008


MAIN CAUSES OF AIR POLLUTION:

Power stations, factories, motor vehicles, and fuel burning in homes are the main causes of air pollution. Volcanoes and forest fires are natural causes.You cannot see many forms of air pollution. Anything that gets in the air and does not harmlessly vanish is air pollution. That includes smoke from fires, gasses that come from burning fuel, and even dust.

WHY AIR POLLUTION IS BAD:

When you breathe in polluted air, it can irritate your air passages and lungs. It can worsen Asthma and Bronchitis. Radon (radioactive chemical element that occurs naturally as a gas) can cause lung cancer if inhaled in large amounts. Certain chemical compounds can cause cancer and birth defects. Carbon monoxide interferes with the transfer of oxygen from the lungs and body tissues. Even forests have been destroyed by air pollution.

Credits to: http://www.tqnyc.org/NYC063530/pollution.html


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