which statement describes clean air as a natural resource?\nclean air can always be found indoors.\nclean…

which statement describes clean air as a natural resource?\nclean air can always be found indoors.\nclean air provides nitrogen gas for plant respiration.\nclean air is produced when high levels of ultrafine particles circulate.\nclean air reduces the risk of illnesses and other health problems.
Answer
Answer:
Clean air reduces the risk of illnesses and other health problems.
Brief Explanations:
Clean air is beneficial for health. Indoor air isn't always clean. Plants use carbon - dioxide, not nitrogen for photosynthesis. High ultrafine particles mean polluted air, not clean air.