Prior to the 1950s, the smoke in London smog came primarily from ____.
A) exhaust from diesel engines
B) trash fires
C) factories in Eastern Europe
D) coal combustion
Correct Answer:
Verified
Q10: Air pollutants are _ airborne substances.
A) exclusively
Q11: The legislation that empowers the U.S. Federal
Q12: Human-induced pollution enters the atmosphere from both
Q13: In the late 1970s, the United States
Q14: Which substance is considered a primary pollutant?
A)
Q16: Ozone in the stratosphere primarily forms over
Q17: Which gas is an example of a
Q18: One major way in which chlorofluorocarbons can
Q19: Which toxic gas is an important component
Q20: Photochemical smog _.
A) only forms at night
B)
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