Question

what is decomposition​

Answer 1

Decomposition is the process by which organic substances are broken down into simpler organic matter. The process is a part of the nutrient cycle and is essential for recycling the finite matter that occupies physical space in the biosphere. Bodies of living organisms begin to decompose shortly after death.
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Answer 2

Explanation:

Decomposition is a reaction.

The reaction in which one or more product form from a single reactant is called as decomposition reaction.

E.X.

CaCo3 ------------ CaO+ Co2

This is an example of decomposition reaction.