Question

Use the library or internet to find out more about biodegradable
and non-biodegradable substances.
How long are various non-biodegradable substances expected to
last in our environment?
These days, new types of plastics which are said to be biodegradable
are available. Find out more about such materials and whether
they do or do not harm the environment.​

Answer 1

Answer:

Biodegradable waste are those waste which can be disposed in soil and do not pollute it.

Non Biodegradable waste are those waste which cannot be disposed in the soil as they harm it.

Explanation:

a polythen is invented of 0.2 micrometer which is disposable

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