Environmental Studies Short Question | Gkseries

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Question

Which of the following adds to the carbon dioxide concentration in atmosphere ?

(I) Volcanic action

(II) Respiration

(III) Photosynthesis

(IV) Decay of organic matter

A (I) and (III) only
B (II) only
C (I), (II) and (IV) only
D (I), (II), (III) and (IV)

Answer & Explanation

Answer:(I), (II) and (IV) only

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