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?Carbon dioxide cycle? implies that
(A) Carbon dioxide moves in the air in a cycle
(B) The Carbon dioxide structure is cyclic
(C) Carbon dioxide consumes oxygen
(D) Oxygen is changed into Carbon dioxide by respiration of
human beings and then to oxygen and carbon, by green plants
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(D) Oxygen is changed into Carbon dioxide by respiration of
human beings and then to oxygen and carbon, by green plants
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