Multiple Choice
Ninety percent of the silver produced in the United States is produced as a by-product of _____ mining.
A) copper
B) gold
C) fluorite
D) platinum
E) aluminum
Correct Answer:

Verified
Correct Answer:
Verified
Q45: Fuel cells,which are battery-like devices that use
Q46: Coal-bearing strata in the Appalachian,Illinois and Western
Q47: Wind and solar power are fossil fuels.
Q48: What are the ranks of coal,and how
Q49: Petroleum deposits form in lake and river
Q51: Geothermal energy is produced inside Earth by
Q52: In general,most living resources are _.<br>A)exhaustible<br>B)nonrenewable<br>C)renewable<br>D)unsustainable<br>E)none of
Q53: Which of the following is a category
Q54: The most important natural resources are water,soil,and
Q55: Nuclear energy is NOT technically renewable,but the