Question

Name two methods to save
surface run-off.
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Answer 1

Answer:

(a)Rainwater harvesting is a method to save surface runoff. (b) The canals used for irrigation should be properly lined to minimise losses by water seepage. (c) In dry regions with high rates of evaporation drip or trickle irrigation is recommended.

Explanation:

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Answer 2

Answer:

• Rainwater harvesting is a method to save surface runoff. •The canals used for irrigation should be properly lined to minimise losses by water seepage. • In dry regions with high rates of evaporation drip or trickle irrigation is recommended.