Question

The materials/substances which can be broken down to nontoxic and harmless substances by the
bacterial action within a short period of time are called biodegradable materials substances. Cow​

Answer 1

Explanation:

Non-biodegradable wastes

(ii) Waste materials which can be broken down into harmless substances in nature in due course of time by the action of microorganisms such as certain bacteria are called biodegradable wastes. Examples: Cattle dung, wool, paper, compost.