Question

give Scientific reson
the landfill pit is lined with plastic sheets​

Answer 1

Explanation:

$\bf{}Let's \: First \: Understand:$

=>Since plastic is very strong and doesn't decompose or break down easily, It is used in landfill sites due to the fact that it reduces leakage of various materials.

=>As plastic is very strong and doesn't break easily, it prevents the seepage of water through it into the soil, thereby preserving water.

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=> Therefore this is the scientific reason behind the landfill pit is lined with plastic sheets.