1.

Open well has big diameter than tube well because ____________i. Open well has to irrigate more area.ii. Water contribution to the well is natural and therefore, the percolation area has to be more.iii. Storage of water has to be made before irrigation is done.

A. i and ii
B. i and iii
C. ii and iii
D. i, ii and iii
Answer» D. i, ii and iii


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