Consider the following statements: Statement I: In the context of effect of water on rocks, chalk is known as a very permeable rock whereas clay is known as quite an impermeable or least permeable rock. Statement II: Chalk is porous and hence can absorb water. Statement III: Clay is not at all porous. Which one of the following is correct in respect of the above statements?

UPSC CSE 2025 · Geography

A. Both Statement II and Statement III are correct and both of them explain Statement I
B. Both Statement II and Statement III are correct but only one of them explains Statement I
C. Only one of the Statements II and III is correct and that explains Statement I
D. Neither Statement II nor Statement III is correct