Chlorinated fluorinated hydrocarbons (CFCs) are
A) very unstable in the lower atmosphere (troposphere)
B) harmful to human life and therefore not found in normal household products
C) harmful in the stratosphere where they break down ozone molecules
D) none of these
Correct Answer:
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Q2: An environmental issue of global importance is
Q3: An increase of 2 deg C in
Q4: A single chlorine atom such as a
Q5: Atmospheric gases that produce air quality problems
Q6: Atmospheric gases that produce air quality problems
Q8: Climate change, or global warming, would not
Q9: Compared to carbon dioxide (CO2), the greenhouse
Q10: In 1990, representatives of 93 countries signed
Q11: Islands such as some in the Pacific
Q12: Over time, since 1880,
A)global temperatures and carbon
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