Question

how lockdown has affected rivers ,flowing clean

Answer 1

Answer:

because now, nobody is outside....

so there is no pollution at all....

so, now all the rivers,ponds,lakes etc. etc. are clean

Explanation:

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Answer 2

Answer:

Lockdown has proved to be positive in case of pollution and flowing rivers as the Air Quality has improved in the country and now rivers like Ganga and Yamuna are flowing with cleaner and clearer water as the rivers are no more being dumped with human waste and no more being affected by human activities.