How does a mineral resource differ from an ore deposit?
An ore deposit occurs naturally, whereas a mineral resource does not.
Ore deposits are economically extractable, whereas mineral resources are not.
Mineral resources are concentrations of metals, whereas ore deposits are not.
Ore deposits are concentrations of metal, whereas mineral resources do not contain metals.
A mineral resource occurs naturally, whereas an ore deposit does not.
Ore deposits are concentrations of metal, whereas mineral resources do not contain metals.
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In the diagram below, the second law of thermodynamics is responsible for the processes depicted by
A) the purple squiggly lines only.
B) the black arrows only.
C) the brown arrows only.
D) the yellow squiggly lines and the black arrows.
E) the purple squiggly lines and the brown arrows.
Where are inactive sand dunes most common in the United States?
A) Pacific Northwest B) Southeast C) High Plains region D) the windy Midwest
Cao Dai was granted legal status in 1997, increasing this country's adherents
A) Vietnam B) Laos C) North Korea D) South Korea E) Taiwan
RU486 blocks progesterone action by functioning as which type of inhibitor?
A) cooperative inhibitor B) competitive inhibitor C) noncompetitive inhibitor D) selective inhibitor