The compensation point is developed in:

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(B) The compensation point is the light intensity at which the rate of photosynthesis exactly equals the rate of respiration.At this point,the net gas

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Twilight

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(B) The compensation point is the light intensity at which the rate of photosynthesis exactly equals the rate of respiration.At this point,the net gas exchange is zero,meaning the $CO_2$ produced during respiration is entirely consumed by photosynthesis,and the $O_2$ produced during photosynthesis is entirely consumed by respiration.This condition typically occurs during $Twilight$ (dawn or dusk),when the light intensity is low and gradually changing,allowing the photosynthetic rate to match the respiratory rate.

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