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Which is a true statement about air quality?

Good air quality is shown by high levels of smog.
Bacteria is a major cause of poor air quality.
Water treatment plants measure the air quality.
The EPA measures air pollution levels daily.

User Mabn
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2 Answers

1 vote

Answer:

i think the answer is Bacteria is a major cause of poor air quality.

Step-by-step explanation:

User Waseem Almoliky
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2 votes

Answer:

Water treatment plants measure the air quality.

User Galloglass
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