Historically, most coal mined in the United States has been ____.
A) anthracite
B) used in steel production
C) exported to other countries
D) formed from ancient deep-sea deposits
E) from the Appalachian region
Correct Answer:
Verified
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Q19: Siltstone, mudstone, and claystone are all types
Q20: A vertical sequence of transgressive and regressive
Q21: Carnotite _.
A)undergoing pressure becomes bituminous coal
B)is the
Q23: Oil shales are _.
A)found only in North
Q24: Chemical sedimentary rocks can have a clastic
Q25: Hydrocarbons are formed largely from the _.
A)remains
Q26: A rock composed almost entirely of fragmented
Q27: Marine transgressions are created when _.
A)rising sea
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