AnswersLVA - Earth and Space Science - SPRINGWaves

Waves — Unit test Answers

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1
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Glaciers cause erosion through plucking.

A
T
B
F
2
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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.
3

Landslides, mudflow, slump and creep are all examples of

A
constructive force
B
deconstructive force
C
mass movement
D
none of the above
4

Abrasion and carrying load containing sediment are examples of

A
land erosion
B
load effect
C
water erosion
D
none of the above
5

Wind blowing sediment against rock or land area, or sandblasting is called

A
abrasion
B
deposits
C
deflation
D
picking up
6

Waves erode the coast by crashing on the rocks or by abrasion.

A
T
B
F
7

Which of the following properties of soil has the greatest effect on plant and microorganism growth?

A
soil texture
B
soil color
C
soil reaction
D
soil consistency
8

Ground water erosion can result in the formation of stalactite and stalagmite in caves.

A
T
B
F
9

Plants would thrive in soil void of microorganisms.

A
T
B
F
10

No-Till Farming and Contour Farming are two examples of preventing soil erosion.

A
T
B
F
11

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.
12

How do organic farming practices relate to soil health?

A
Organic farmers rely on soil health for good crop production.
B
Organic farmers rely on the interaction between soil microbes and organic matter.
C
Organic farmers avoid the use of pesticides and chemicals.
D
all of the above
13

Natural erosion can be caused by _______.

A
farming
B
wind
C
deforestation
D
all of the above
14

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

A
T
B
F
15

What are two features that form though wind deposition?

Answer not available

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