Question

which statement describes clean air as a natural resource? Clean air can always be found indoors. Clean air provides nitrogen gas for plant respiration. Clean air is produced when high levels of ultrafine particles circulate. Clean air reduces the risk of illnesses and other health problems.

Answer 1

your answer is D

Step-by-step explanation:

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Answer 2

Clean air reduces the risk of illnesses and other health problems.

Step-by-step explanation:

DID THE TEST!!