Which of the following is a compensation point:

A. Leaves respire and utilize O2 and release CO2.

B. Rate of respiration becomes more than rate of photosynthesis.

C. Photosynthesis and respiration occur at same rate. So there is not net exchange of gases between atmosphere and plants.

D. Rate of photosynthesis increases, so do the O2 production, with a net release of oxygen coupled with the uptake of CO2.

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