Question

Which of the following is a secondary pollutant?
A. Water vapor from a factory smokestack
B. Particulate matter, such as soot
Ο Ο Ο Ο
C. Carbon monoxide from car exhaust
D. Acid rain

Answer 1

Answer:

A. Water vapor from a factory smokestack

Answer 2

Answer:

D. acid rain

Explanation:

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