Minerals and Mining Answers

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1
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Which of the following is a way that minerals are used?

A
industry
B
construction
C
technology
D
all of the above
2
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Which of the following is a long-term consequence of mining on the Earth?

A
erosion
B
an open pit
C
sedimentation
D
all of the above
3

What is the most likely consequence of open pit mining on plant life?

A
a dramatic reduction in the variety of plant species
B
an increase in the number of plant species
C
the complete loss of plant life in the area occupied by the surface mine
D
a temporary decrease in plant populations
4

Mining has only short-term effects on the Earth.

A
T
B
F
5

Reclamation restores an environment affected by mining to a state where it can sustain its ecosystem.

A
T
B
F
6

Minerals are mined both at the Earth’s surface and below it.

A
T
B
F
7

Why does mining have such an impact on the environment?

A
Mining only affects the living parts of the environment.
B
Because minerals are within the Earth’s surface, extraction causes destruction.
C
Mining requires the absolute destruction of an area to be cost-effective.
D
Areas that are mined can never again sustain plant life.
8

Which type of mining is likely the least harmful to the environment?

A
surface mining
B
placer mining
C
subsurface mining
D
none of the above
9

Which of the following readings is used to determine the availability of minerals?

A
radioactivity
B
magnetism
C
gravity
D
all of the above
10

A mineral is a naturally occurring solid with a regular, repeating structure.

A
T
B
F

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