Consider the following: 1) Photosynthesis 2) Respiration 3) Decay of organic matter 4) Volcanic action Which of the above add carbon dioxide to the carbon cycle on Earth?

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CollectorBabu · Accepted Answer

Correct Answer: 2, 3 and 4 only. Photosynthesis is a process used by plants to convert light energy from Sun into chemical energy which can be used as energy for organisms. Such energy is stored in carbohydrate molecules which are synthesized from carbon dioxide and water. In photosynthesis, carbon dioxide is removed from air to make plant food from carbon, thus statement 1 removes instead of adding carbon dioxide.

Consider the following: 1) Photosynthesis 2) Respiration 3) Decay of organic matter 4) Volcanic action Which of the above add carbon dioxide to the carbon cycle on Earth?

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