In which of the following ways does weathering applies to be

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In which of the following ways does weathering applies to be significant?

1.Biomes, bio-diversity and forests depend upon the depth of weathering mantles.

2.It helps in mass wasting, and erosion.

3.It helps in enrichment and concentrations of valuable ores.

4.It helps in formation of soils.

Select the correct answer from the codes given below:

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1. ?????, ???-??????? ?? ?? ?????? ????? ?? ????? ?? ?????? ???? ????

2. ?? ???? ?????? ?? ?????? ????, ?? ???? ??? ??? ???? ???

3. ?? ???????? ??????? ?? ??????? ?? ???????? ??? ??? ???? ???

4. ?? ?????? ????? ??? ??? ???? ???

???? ??? ?? ??? ?? ??? ????? ?????:

[NCERT TEST - 4,Geography]

1, 2 and 3 only

केवल 1, 2 और 3

2 and 3 only

2 और 3 ही

1, 2 and 4 only

केवल 1, 2 और 4

1, 2, 3 and 4

1, 2, 3 और 4