Biology
Biology, 27.09.2019 23:20, freedygotmoney

Which statement describes clean air as a natural resource? check all that apply.
clean air is essential for health and survival.
clean air provides nitrogen gas for plant respiration.
clean air is where high levels of ultrafine particles circulate.
clean air reduces risk of illnesses and other health problems.
clean air supplies oxygen that enables living organisms to breathe.

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Which statement describes clean air as a natural resource? check all that apply.
clean air is...

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