ques 16 plzzz give the ans
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option 2nd is the best -- to let it recharge ground water by water harvesting.
2 advantages of it
1. it helps in increasing the ground water level.
2. we will get pure water by water harvesting as they become filtered naturally under the ground.
2 advantages of it
1. it helps in increasing the ground water level.
2. we will get pure water by water harvesting as they become filtered naturally under the ground.
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