AP Environmental Sciencemediummcq1 pt
Which control device removes SO₂ from smokestack gases?
A.A scrubber
B.A catalytic converter
C.A baghouse filter
D.A cooling tower
Explanation
Core Concept
Scrubbers spray alkaline slurry through the flue gas, converting SO₂ into removable solids — the acid-rain control workhorse.
Correct Answer
AA scrubber
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