Question

How is the balance of oxygen and carbon dioxide maintained in the atmosphere?

a) Through transpiration and by respiration in plants and animals.
b) Through respiration in plants and animals and by the photosynthesis in plants.
c) By the burning of fossil fuels.
d) Both (a) and (b)

Answer 1

Answer:

Both a and b

Explanation:

Balance in life is maintained due to plants

Answer 2

Answer:

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The balance of oxygen and carbondioxide is maintained in the atmosphere by the oxygen released by plants during photosynthesis and carbondioxide released by human,animals etc. in the atmosphere. The balance of oxygen and carbondioxide is made due to respiration and photosinthesis.

so the correct answer will be

option d) Both (a) and (b)

Explanation:

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