Question

what is mean by biodegradable

Answer 1

any things which is degraded in the soil ie is it is completely mixed in soil and increases it's fertility power

Answer 2

$\textbf{Biodegradable}$

In literal meaning it is the substances which can be degraded biologically.

This can be explained as those substances which can be decomposed or degrade pr finished by the influence of nature, involving biologically by the action of bacterias or worms are called biodegradable things.

Like :

Food we eat, etc.