State the importance of oxygen, nitrogen and carbon dioxide present in the atmosphere.
Answers
Answered by
4
Answer:
hiii
Explanation:
Oxygen is essential for respiration. Animals and humans cannot survive without oxygen. Nitrogen is the source of protein in all living organisms and hence helps in their growth. Carbon dioxide is used by plants to make food.
Answered by
2
Answer:
oxygen is necessary for respiration and combustion.
nitrogen is useful for leguminous plants
carbon dioxide is used by plants for making food
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