Question

How does a biodegradable waste differ from a non-biodegradable waste? Give two examples of non-biodegradable wastes which pollute our environment.

Answer 1

Biodegradable waste	Non-biodegradable waste
Waste materials that can be broken down into non-poisonous substances in due course of time, by the action of natural micro-organisms such as certain bacteria, are called biodegradable wastes.	Waste materials that cannot be broken down into non-poisonous or harmless substances naturally are called non-biodegradable wastes.
Examples: Paper and vegetable peels.	Examples: Plastic and iron nails.