How do you separate of non biodegradable and biodegradable?

. that cannot be broken down in the environment by natural process

Abs is not biodegradable.

Biodegradable means that by microorganisms something must turn back into naturally occurring minerals, usually co2, ch4, dirt(humus) water.

Ordinary plastics is non-biodegradable,which means it does not rot or decay.It does not decompose even buried under the ground.However,scientist have found away to make plastic biodegradable by...