Question

dead leaves are importance for soil because
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Answer 1

Answer:

The fallen leaves, decaying, make what is called "humus," and this humus is a very important thing to have in the soil. ... The roots of trees continually bring up mineral salts from the subsoil, and a certain amount of these valuable salts are left behind in the leaves when they fall.

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Answer 2

Answer:

The fallen leaves, decaying, make what is called "humus," and this humus is a very important thing to have in the soil. ... The roots of trees continually bring up mineral salts from the subsoil, and a certain amount of these valuable salts are left behind in the leaves when they fall.

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