Which part of a green plant shows the greatest increase in choir class in the fall of the year

Chlorophyll

Explanation:

It is because they contain an abundance of chlorophyll. There is so much chlorophyll in an active leaf that the green masks other pigment colors. Light regulates chlorophyll production, so as autumn days grow shorter, less chlorophyll is produced. The decomposition rate of chlorophyll remains constant, so the green color starts to fade from leaves.

the answer is b. 0; 4

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