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chemistry

Which of the following is non biodegradable?

A

Plastic

B

Cotton

C

Paper

D

Left over food stuff

Answer

Biodegradation is the disintegration of materials by bacterial, fungi or other biological means.
Most plastics are derived from propylene, a simple chemical component of petroleum. When heated up in the presence of a catalyst, individual chemical units monomers of propylene link together by forming extremely strong carbon-carbon bonds with each other. This results in polymers long chains of monomers called polypropylene.
While cotton, paper and left over food stuff are decomposable by bacterial action so Option A is correct.

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