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