Question

Dash is another method to save surface runoff

Answer 1

Answer: water harvesting

Explanation: water harvesting is one of the methods of saving surface runoff.

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Answer 2

Answer:

1.rain water haversting is the method to save the surface runoff.2. the canals is used for irrigation should properly linded to minimise looses by water seepage 3.in dry regions with high rates of evaporation drip (or) trickle irrigation is commended.