Answer 1

Biodegradable waste		Non-biodegradable waste
(i)	Biodegradable waste can be degraded or broken down into simpler, harmless substances by living organisms.	(i)	Non-biodegradable waste cannot be degraded or broken down into simpler substances by living organisms.
(ii)	Breakdown of these wastes enriches the soil such as plant and animal wastes. Therefore, such wastes are beneficial for the soil.	(ii)	They do not break down and cause soil pollution. For e.g. plastics, glass, etc. Such wastes are harmful for the soil.