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Dmitry_Shevchenko [17]
3 years ago
6

Which statement describes indoor air pollution?

Biology
2 answers:
Zinaida [17]3 years ago
6 0

Answer: Ultrafine particles

Explanation: they penetrate tissue and enter the bloodstream, they aren’t very toxic but still considered indoor pollution

Black_prince [1.1K]3 years ago
4 0

Answer:

b

Explanation:

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