Variable atmospheric components refer to
A) only natural gases and materials.
B) nitrogen,oxygen,argon,and carbon dioxide.
C) natural sources of dust and aerosols,such as volcanic dust and forest fire smoke,but nothing anthropogenic (human-caused) .
D) both natural and anthropogenic gases and materials.
E) only anthropogenic gases and materials.
Correct Answer:
Verified
Q75: Photochemical smog developed with the advent of
A)coal
Q76: Temperature inversions occur
A)when surface temperatures are higher
Q77: Carbon monoxide is potentially dangerous because it
A)replaces
Q78: The reaction of automobile exhaust and ultraviolet
Q79: PAN in the lower troposphere
A)is principally related
Q81: If you could travel to 30 km
Q82: The concentration of carbon dioxide in the
Q84: Which of the following is
Q85: Particulate matter
A)is,by definition,larger than 100 microns.
B)can include
Q102: Weather (rain, fog, storms, etc.) occurs primarily
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