(A)
Rainwater
harvesting: it is a method o collecting
water while it rains so that it may come o use in the future.
(B)
The
canals used for irrigation should be properly built so that loss water does not
take place while the water is transported to the field
(C)
In
dry regions, drip or trickle irrigation is suggested.
-Answered by Shruti Srivastva On 11 July 2020:12:44:09 PM