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When temperatures fall below about -80 degrees, high-altitude clouds made of water and nitric acid begin to form.
The increasing greenhouse gases in our atmosphere result in increasing the average temperature on Earth.
Developed countries to decrease emissions of carbon dioxide and other greenhouse gases by an average of 5 percent below their 1990 levels by 2012.
Latitude strongly influences climate because _______ solar energy falls on areas that are closer to the equator than to the poles.
Chlorine atoms are released from polar stratospheric clouds.
Ozone holes appear in polar regions during springtime when ozone-destroying...
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