(A) earth layer (X)
(B) mountains (X)
(C) sedimentary rocks ()
(D) rocks (X)
Answers: Crude oil is blackish coloured liquid produced after the decay of organic matter present between sedimentary rocks.
(A) earth layer (X)
(B) mountains (X)
(C) sedimentary rocks ()
(D) rocks (X)
Answers: Crude oil is blackish coloured liquid produced after the decay of organic matter present between sedimentary rocks.
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