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Subject :NSO    Class : Class 9

Identify X in the given statement and select the correct option regarding it. "When soil is completely saturated with water and excess water accumulates around plant roots in the field, the condition is referred to as X". X could damage crops because

AIt reduces air spaces between soil particles
BIt cuts off oxygen supply to roots hence, they are not able to breathe
CIt increases amount of salt in the soil and reduces its fertility
DAll of these.

Ans 1: (Master Answer)

Class : Class 1


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