Which gas in the atmosphere is essential for respiration?
A) Argon B) Carbon dioxide C) Oxygen D) Nitrogen
Answers
Answered by
1
Answer:
(d) water vapour
The presence of water vapour in air varies from place to place
Answered by
3
Answer:
oxygen
Explanation:
Oxygen gas is important in respiration as in the presence of oxygen , the food is convert to glucose to provide energy to the cells of body ...
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