Match the substance with the correct description.?
A. ?dominant pollutant responsible for global warming
B. ?pollutant that destroys ozone
C. ?primary component of photochemical smog
D. ?indestructible and potent neurotoxin
E. ?pollutant responsible for acid deposition
A. ?carbon dioxide (CO2)
B. ?chlorofluorocarbons (CFCs)
C. ?nitrogen oxides (NOx)
D. ?lead
E. ?sulfur dioxide (SO2)
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All australopithecines and Homo habilis are found only in _______. Fill in the blank(s) with the appropriate word(s)
What is the predominant religion in Pakistan?
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Which of these kills the most people in the U.S. every year?
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