The Clean Air Act was first enacted in __________.
A) 1963
B) 1970
C) 1977
D) 1990
Correct Answer:
Verified
Q45: What is a radiosonde?
A)a scientific instrument attached
Q46: Under the Montreal Protocol, CFCs have mostly
Q47: Which is an ozone sink?
A)photosynthesis
B)condensation
C)ultraviolet radiation
D)fossil fuels
Q48: Which molecule does not occur naturally?
A)ozone
B)methane
C)carbon dioxide
D)CFCs
Q49: At sea level there is\are _ kilogram(s)
Q51: _ facilitate(s) a reduction of ozone in
Q52: Which pollutant causes acid rain?
A)carbon monoxide
B)ground-level ozone
C)VOCs
D)sulfur
Q53: Which is a natural source of carbon
Q54: Which atom comes from a CFC molecule
Q55: The gas that causes ozonosphere thinning is
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