Question

plastic are useful but are caused environmental wizardom disposals why

Answer 1

Heya friend here is your ans
The manufacture of plastic, as well as its destruction by incineration, pollutes air, land and water and exposes workers to toxic chemicals, including carcinogens. ... Synthetic plastic does not biodegrade. It just sits and accumulates in landfills or pollutes the environment.
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Answer 2

Answer:

Plastics are useful but cause environmental hazards on disposal. Plastics takes several years to decompose , so it is not environment friendly . It produces a lot of fumes on burning plastics . Plastics thrown carelessly here and there are responsible for clogging the drains .