Differentiate between biodegradable and non-biodegradable substances. Cite examples.

(N/A) Biodegradable substances are materials that can be broken down into simpler,harmless substances by the action of biological processes,such as the activity of microorganisms like bacteria and fungi.
Examples include wood,paper,vegetable peels,and animal waste.
Non-biodegradable substances are materials that cannot be broken down or decomposed by biological processes into simpler substances.
These substances persist in the environment for a long time and often cause pollution.
Examples include plastic,glass,$DDT$,and heavy metals.