Which of the following are the significances of Rain Water h

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Which of the following are the significances of Rain Water harvesting?

1.It increases water availability.

2.It checks the declining ground water table.

3.It improves the quality of groundwater.

4.It prevents soil erosion.

Select the correct answer using the codes given below

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[Modern History,NCERT TEST - 6,History Mock Test - 3]

1 and 2 only

केवल 1 और 2

1, 2 and 4 only

केवल 1, 2 और 4

1, 2 and 3 only

केवल 1, 2 और 3

1, 2, 3 and 4

1, 2, 3 और 4