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What are plastics? Explain their sources...

What are plastics? Explain their sources.

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Plastics are low molecular weight organic polymers, that are not degradable in natural environment.
The main sources of this plastic include:
(i) Packaging material used in super markets.
(ii) Packing material in retail outlets.
(iii) Manufacturing industries.
(iv) House holds, hotels, hospitals, and restaurants and transport companies.
(v) In municipal solid waste, plastic waste constitute a major part.
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