Question

1. Give three important uses of:
(a) Carbon dioxide
(b) Nitrogen​

Answer 1

Answer:

carbon dioxide is useful for photosynthesis

nitrogen is useful for growth of plant

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Answer 2

Answer:

Carbon dioxide is used for refrigerators, fire extinguishers ,farming rubber and plastic

Carbon dioxide is used for refrigerators, fire extinguishers ,farming rubber and plasticNitrogen is used to make fertilizer, nitric acid and nylon

Explanation:

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