Question

what should we do to ensure that all rainwater does not flow away into rivers or streams what are the advantage of doing this
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Answer 1

Answer:

Surface runoff harvesting In this method, rainwater flows away as surface runoff and can be stored for future use. Surface water can be stored by diverting the flow of small creeks and streams into reservoirs on the surface or underground. It can provide water for farming, for cattle and also for general domestic use.