Biology
Mustang302
44

Which of the following is NOT a type of air pollution? a. acid rain b. mercury c. ozone d. oxygen

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skylar145

Oxygen is not a type of air pollution. We need it to breath. Acid rain is hurtful as well as mercury (and mercury isn't really in the air, but more in the fishes), ozone is hurtful if it is too low in the atmosphere (so air pollution).

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