Asked by Anonymous

Which of the following is not a process that forms metallic ore?
placer deposits ***
fossil compaction
hydrothermal solutions
igneous processes

5. Which of the following nonmetallic mineral resources is used both as a building material and as an industrial mineral?

sulfur
limestone
graphite ***
corundum

6. What is one of the drawbacks to the extensive use of solar energy?

It is nonrenewable.
Necessary equipment and installation are expensive. ***
It is available only at night.
Its use produces pollution.

7. How does nuclear fission produce energy?
Moving water turns turbines to produce electricity.
A controlled nuclear chain reaction produces heat, driving steam turbines to produce energy.
An uncontrolled nuclear reaction produces heat, driving steam turbines to produce energy. ***
Carbon atoms are bombarded by neutrons.

8. Hydroelectric power is produced by ____.
falling water that turns a turbine ***
tides that pour through a dam barrier
hot water that comes from deep underground
electric current that flows across a dam
Answered by Reed
#5, I don't know. #7, wrong. All others seem correct.
Answered by UnKnown
#5 is actually Limestone #6 is right #7 and #8 I'm not sure
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