Autumn leaves on trees turn yellow and fall off. What processes can be attributed to biological

Autumn leaves on trees turn yellow and fall off. What processes can be attributed to biological, chemical, physical phenomena?

In the autumn season, the trees receive insufficient heat. Because of this biological phenomenon, a chemical process arises such as yellowing of the leaves, as a result of which, under the influence of gravity, the foliage begins to fall to the ground (such a natural process is already a physical phenomenon).



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