How does over-irrigation damaging to soil?

AIt reduces the amount of organic material in soil..
BIt results in the accumulation of salt near the soil surface..
CIt increases the acidity of soil..
DIt removes water from the water table.

Verified Answer :

The correct answer is A. It reduces the amount of organic material in soil. 

Over-irrigation can cause the oxygen levels in the soil to decrease. It doesn't result in the accumulation of salt near the soil surface, it doesn't increase the acidity of soil, and it doesn't remove water from the water table. 

Answer:

Its B actually

Explanation: