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A brownish-black sedimentary rock is known as (a) charcoal (b) coke (c) coal (d) coal tar
Coal and Petroleum
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20/04/2021 11:17 am
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A brownish-black sedimentary rock is known as
(a) charcoal
(b) coke
(c) coal
(d) coal tar
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1 Answer
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20/04/2021 11:17 am
(c) coal
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