Which of these pollutants is produced primarily by agricultural tilling, construction, unpaved roads, and fires?
A) SO2
B) PM-2.5
C) CO
D) O3
E) Pb
Correct Answer:
Verified
Q51: According to data obtained by NAAQS, which
Q52: Which of these gases is /are not
Q53: 18 ppm equals _.
A) 0.18%
B) 0.018%
C) 0.0018%
D)
Q54: Which of these substances is /are not
Q55: Which of these gases is/ are considered
Q57: Nitrogen fixation converts nitrogen to _.
A) cellulose
B)
Q58: Which of these pollutants diminishes the blood's
Q59: Meteors burn up in the _ region
Q60: Which region of the atmosphere is credited
Q61: The _ layer of the atmosphere contains
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