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The Greenhouse Effect
Part 1 of Paper
....sphere consists of mostly
nitrogen along with oxygen and small amounts of other gases. One of these
gases, carbon dioxide, affects the temperature on the earth. The earth
already contains the amount of carbon dioxide needed. Through the burning
of fossil fuels used to power our cars, run our factories, and heat our
.... Part 2 of Paper
....iolet rays. Too many
ultraviolet rays can cause cataracts and skin cancer. A hole in the ozone
has been discovered over Antarctic the size of the United States. The hole
is actually where the ozone has been depleted or thinned by the CFCs. The
use of aerosol cans accounts for most of the release of CFCs. This
resulted in the United Stated as well as other countries outlawing the use
of these harmful chemicals in aerosol cans. Experts think that CFCs can
stay in the atmosphere at least three.... |
| Number of words: 424 - Approximate pages: 2 |
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