Petroleum deposits are detected by the.
(A) Oil seepage at the surface of the earth
(B) Measurement of density, elasticity and magnetic & electric properties of
the rock in the crust of the earth
(C) Age & nature of rocks inside the crust of the earth
(D) All (A), (B) and (C)

1 Answer

Answer :

(D) All (A), (B) and (C)

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