The given figure represents the oxygen cycle which maintains the level of oxygen in the atmosphere. Which of the following processes will you place at X and Y in the figure?

The given figure represents the oxygen cycle which maintains the level

1.	The given figure represents the oxygen cycle which maintains the level of oxygen in the atmosphere. Which of the following processes will you place at X and Y in the figure?
A.	X Y Combustion Respiration
B.	X Y Respiration Transpiration
C.	X Y Photosynthesis Evaporation
D.	X Y Photosynthesis Respiration
Answer» E.

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The given figure represents the oxygen cycle which maintains the level of oxygen in the atmosphere. Which of the following processes will you place at X and Y in the figure?

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