Which one of the following is the appropriate reason for considering the Gondwana rocks as most important of rock systems of India

(a)

More than 90% of limestone reserves of India are found in them

(b)

More than 90% of India’s coal reserves are found in them

(c)

More than 90% of fertile black cotton soils are spread over them

(d)

None of the reasons given above is appropriate in this context

Geography › Oil,Natural Resources