AnswersOH-Environmental Science CRUnit Test

Unit Test — Unit test Answers

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1
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Which of the following types of boundaries is most likely to result in a subduction zone?

A
divergent
B
convergent
C
transform
D
all of the above
2
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Soil composition is not subject to change.

A
T
B
F
3

Which of the following is an example of a nonmetallic mineral?

A
sulfur
B
lead
C
aluminum
D
gold
4

Natural erosion can be caused by _______.

A
farming
B
wind
C
deforestation
D
all of the above
5

Which layer of soil is least likely to be penetrated by plant roots?

A
O (organic matter)
B
A (topsoil)
C
B (subsoil)
D
C (parent rock)
6

Which of the following is not a component of soil?

A
organic material
B
minerals
C
gases
D
none of the above
7

How do mountains influence climate?

A
They moderate climate.
B
They cause less precipitation to fall.
C
They affect rainfall by creating a rain shadow.
D
They do not affect climate.
8

Which of the following statements about artificial erosion is true?

A
Artificial erosion can occur 100 times faster than natural erosion.
B
Farming practices do not contribute to artificial erosion.
C
Artificial erosion causes a loss of fertile soil.
D
Artificial erosion is only caused by recreational activities.
9

Why is volcanic soil (andisol) very fertile?

A
It is rich in minerals from volcanic deposits.
B
It is a young soil with low water retention.
C
It has been leached of mineral nutrients.
D
Volcanic activity warms the soil.
10

Why might soils rich in organic matter not be fertile?

A
Soil fertility comes from a balance of organic matter and other mineral nutrients.
B
Large amounts of organic material make soil retain too little water.
C
Soil fertility is a result of the inorganic minerals present.
D
Soils rich in organic material are always highly fertile.
11

What is an effect of continental shifting on local environments?

A
volcanoes
B
earthquakes
C
tsunamis
D
all of the above
12

Long-term mineral extraction has no lasting consequences.

A
T
B
F
13

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
14

Which of the following statements about weathering is true?

A
Physical and chemical are the two types of weathering.
B
Weathering occurs when rocks are subjected to the movement of wind or water.
C
Humans are the only cause of weathering.
D
Movement is required for weathering to take place.
15

Chemical and physical weathering both involve direct contact of the atmosphere with rocks, soils, and minerals.

A
T
B
F
16

Which of the following is not a possible consequence of surface mining?

A
increased pollution
B
improved ecosystem health
C
destruction of flora and fauna
D
erosion of soil
17

Salinization increases the concentration of _______ in soil.

A
plants
B
nutrients
C
salt
D
water

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