Of the 20 key nonrenewable mineral resources it needs,what percentage does the U.S.import?
A) 15%
B) 25%
C) 40%
D) 80%
E) 100%
Correct Answer:
Verified
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Q8: What is the zone of hot,partly melted
Q9: Large sections of the earth's crust,called _,slowly
Q10: Experts are particularly concerned about four strategic
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Q13: Which of the following is a type
Q14: The interaction of physical and chemical processes
Q15: A naturally occurring,chemical element or inorganic compound
Q16: What type of rock is granite?
A) igneous
B)
Q17: Limestone,when exposed to heat and pressure,becomes _.
A)
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