1. Pop cans on lawn in front of school.
2. Smokestacks.
3. Phone lines
4. Motor Vehicles
5. Microwave Oven

1. Pop cans are almost entirely made out of aluminum.
§ Aluminum is very reactive.
§ Forms an oxide coating- resistant to corrosion.
§ Body of can is alloyed with small amount of Manganese to improve strength and workability.
§ Takes up lots of landfill space.
§ Energy required to make, collect, & recycle them.
§ Refined from Bauxite- Bauxite mining has impact on the environment.

2. Carbon Dioxide, Sulfur Dioxide and other types of contaminants pouring from industrial smoke stacks contributes largely to world's atmospheric pollution. CO2 contributes significantly to global warming, while SO2 emissions are principal cause of acid rain in N.E. United States, S.E. Canada, and E. Europe.
3. Power lines generate electromagnetic fields and are a source of extremely low frequencies (E.L.F.)
§ Extremely low frequencies are associated with man-made sources,......

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Title: Pollution
Approximate Word Count: 2303
Approximate Pages: 10 (250 words per double-spaced page)

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