Why the rate of respiration is higher in an athelete?

Which property of the pigment is responsible for its ability to initiate the process of photosynthesis? Why is the rate of photosynthesis higher in the red and blue regions of the spectrum of light?

What is average rate of respiration in a normal adult man?

Why does the rate of a reaction increase with rise in temperature?

Why rate of evaporation increases with the increase in temperature.

Why does the rate of photosynthesis decrease at higher temperatures?

Why is anaerobic respiration less energy producing than aerobic respiration?