Before the 1980s,chlorofluorocarbons (CFCs) were primarily used as ____.
A) ingredients in fire extinguishers and propellants in aerosol cans
B) coolants in air conditioners and industrial solvents
C) buoyancy gas in blimps
D) ingredients in bleach and propellants in aerosol cans
E) coolants in air conditioners and propellants in aerosol cans
Correct Answer:
Verified
Q42: Secondary pollutants can be classified by the
Q43: The period from 1980 and 2010 witnessed
Q44: Chlorofluorocarbon (CFCs)molecules can stay in the stratosphere
Q45: Because of the earth's shape,the atmosphere is
Q46: Carbon dioxide makes up 21% of the
Q48: Pollution such as the Asian Brown Cloud
Q49: Which statement about ozone thinning is true?
A)
Q50: Ozone depletion is caused by _.
A) chlorofluorocarbons
Q51: How many people in the United States
Q52: According to a 2012 EPA report,between 1980
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