Which of the following is the primary advantage of C4 plants over C3 plants?
A. C4 plants minimize photorespiration compared with C3 plants.
B. C4 plants can produce sugars more efficiently than C3 plants under hot, arid conditions.
C. C4 plants can produce CO2 needed for sugar production in the Calvin cycle more efficiently than C3 plants.
D. Relative to C3 plants, C4 plants can keep their stomata closed more frequently to limit water evaporation, yet can still produce significant CO2 needed for sugar production.
E. All of the choices are correct.
E. All of the choices are correct.
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