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Test:AP Environmental Science
1. | Which of the following class of pollutants has the greatest negative effect of the ozone layer? |
NxOs(一氧化氮)
Sulfurous Compounds
Heavy particulate matter
CFCs (chlorofluorocarbons)
Thomas
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Dartmouth College, Bachelor in Arts, Biochemistry and Molecular Biology. Columbia University in the City of New York, Master ...
Ben
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Brown University, Bachelor in Arts, International Relations. Bridge Education Group, Certificate, Teaching French as a Second...
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