Question

the condition of environment of 2021 with respect to 2020

Answer 1

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With the coronavirus outbreak and people being confined indoors, the environment and mother earth seem to have benefitted slightly. In the absence of human activities amid the coronavirus-induced lockdown, nature is getting time to clean itself and reclaim its space.

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Answer 2

In 2021 there is less pollution compared to 2020 because in 2021 all industries are closed due to lock down.