31 - 31 of 31 Questions

#	Question	Ans
31.	The greatest advantage of pereninnial irrigation is that A. two or three crops can be produced in a year from the same piece of land B. it makes it possible to irrigate larger areas C. much silt is trapped and this helps to enrich the soil D. it allows water to be held on the land for several weeks	A

31.

The greatest advantage of pereninnial irrigation is that

A. two or three crops can be produced in a year from the same piece of land

B. it makes it possible to irrigate larger areas

C. much silt is trapped and this helps to enrich the soil

D. it allows water to be held on the land for several weeks