What is the main difference between c3 and c4 carbon fixation? a. in c3 carbon fixation, plant stomata are open during the day, while they are open at night for c4 carbon fixation. b. c3 processes take place throughout the leaf, while c4 processes take place in the inner cells. c. c3 carbon fixation is more common in areas with high light intensity than c4 carbon fixation. d. c3 processes are more efficient than c4 processes in high temperatures.

C3 carbon fixation is more common in areas with high light intensity than C4 carbon fixation.

The correct answer would be B.

Explanation:

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correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

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