Canada's principal petroleum resources occur as
A) Oil.
B) Natural gas.
C) Oil shale.
D) Tar sand.
Correct Answer:
Verified
Q35: Low-permeability sandstones and shales in the United
Q36: A fossil-fuel source that may either be
Q37: Oil shale
A) Is rich in a tarry,
Q38: Oil extraction may cause
A) Black lung disease.
B)
Q39: Exploration techniques are now so efficient that
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Q42: Process of liquefaction and gasification results in
Q43: One approach to cleaning up oil spills
Q44: Except for the problems of sulfur,coal,like oil
Q45: The Exxon Valdez oil spill provided a
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