Multiple Choice
Why did lead pollution decrease significantly after the creation of the Clean Air Act?
A) Lead is now removed from coal before it is used as fuel.
B) Electrostatic precipitators mandated by the Clean Air Act have greatly decreased the amount of lead being emitted from smokestacks.
C) Catalytic converters in cars greatly reduce the amount of lead emitted.
D) Leaded gasoline was outlawed.
Correct Answer:
Verified
Correct Answer:
Verified
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