Differentiate between humus and litter.

A. Humus is composed of partially decomposed organic matter, while litter consists of fresh organic matter.
B. Humus is the top layer of soil, while litter is found deeper in the soil.
C. Humus is found on the forest floor, while litter is found in agricultural fields.
D. Humus and litter are essentially the same and can be used interchangeably.

Humus and litter are two different components of soil. Humus is the top layer of soil, composed of partially decomposed organic matter, while litter consists of fresh organic matter that has recently fallen onto the forest floor.

Explanation:

Humus and litter are two different components of soil. Humus is the top layer of soil, composed of partially decomposed organic matter such as dead animals, plants, and microorganisms. It improves soil structure, provides water and minerals, and acts as a reservoir of nutrients for plants. On the other hand, litter consists of fresh organic matter that has recently fallen onto the forest floor, including leaves, twigs, and other plant materials.

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