Why does the rate of photosynthesis decrease rapidly at very high temperature ​

High Temperatures

At temperatures above 68 degrees Fahrenheit, or 20 degrees Celsius, the rate of photosynthesis decreases because the enzymes do not work as efficiently at this temperature. This is despite the increase of carbon dioxide diffusion into leaves.

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the answer is c.) there is a warm front in region a and a stationary front in region b.

c. live where it’s cold and icy