Plants and animals maintain the balance of oxygen and carbon dioxide i – McqOptions

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1.	Plants and animals maintain the balance of oxygen and carbon dioxide in the air. Which of the following processes represents X and Y?
A.	X Y Respiration Transpiration
B.	X Y Transpiration Decay
C.	X Y Photosynthesis Respiration
D.	X Y Decay Photosynthesis
Answer» D. X Y Decay Photosynthesis

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