AnswersOK-Environmental Science AUnit Test

Unit Test — Unit test Answers

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1
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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.
2
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Ocean ridges form as a result of _______.

A
slab pull
B
the upwelling of magma from the asthenosphere
C
sediment being deposited from the ocean
D
all of the above
3

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
4

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

A
T
B
F
5

What is an effect of continental shifting on local environments?

A
volcanoes
B
earthquakes
C
tsunamis
D
all of the above
6

The boundary where crust gives way to mantle is called the _______.

A
asthenosphere
B
mesosphere
C
Mohorovicic discontinuity
D
Vernian divide
7

Which of the following best explains the importance of Earth’s crust to living organisms?

A
The continental crust allowed the evolution of life on land.
B
The crust provides raw materials necessary for life.
C
The crust allowed the formation of fossil fuels.
D
The rock cycle recycles sedimentary rocks formed from animal shells.
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

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.
10

Natural erosion can be caused by _______.

A
farming
B
wind
C
deforestation
D
all of the above
11

Which of the following best describes the compositional layers of the earth?

A
All layers of the Earth below the crust are liquid.
B
The only liquid layer of the earth is the mantle.
C
The crust floats on top of the outer core.
D
Some layers of the earth are liquid, and some are solid.
12

Chemical weathering is the breakdown of rocks, soils, and minerals through _______.

A
atmospheric or biologically produced chemicals
B
atmospheric conditions
C
the movement of wind and water
D
mechanical means
13

Which of the following is associated with plates moving away from each other?

A
rifts
B
subduction zones
C
faults
D
all of the above
14

How does deforestation speed up the process of erosion?

Answer not available
15

Explain what differentiates the Earth’s crust and lithosphere.

Answer not available

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