question_answer 42)

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

Answer:

                  Differentiation between biodegradable and non-biodegradable substances are

Biodegradable substances	Non-biodegradable substances
Substances that are broken down into simpler substances by biological processes	Substances that cannot be broken down into simpler ones by biological processes.
They are environment friendly as they usually do not pollute the environment	They are not environment friendly as they are major pollutants of the environment
e.g., Wool paper, Catton, fruit and vegetable peels, leaves etc.	e.g., DDT, polythene bags, plastics, metal articles like iron nails, synthetic fibres etc.