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15
×
When heavy rainfall increases surface water flow toward the sea, it can contribute to erosion.
True
Rainfall has no effect
False
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15
×
What term describes sand and soil being carried along the shore by current and wave action?
Longshore drift
Plate tectonics
Earthquake uplift
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15
×
Climate change is expected to increase coastal erosion through higher sea levels.
It decreases sea levels
True
False
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15
×
Buildings and roads near the shoreline are at risk because erosion removes supporting land.
It makes the land more stable
False
True
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15
×
Storm surges associated with severe weather can dramatically accelerate coastal erosion.
True
A storm surge always builds up beaches
False
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lifesaver
Give 20 points!
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×
shark
Other team loses 15 points!
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rocket
Go to first place!
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thief
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5
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15
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25
15
×
Deposition is the opposite of coastal erosion and involves materials being dropped along the shore.
It means the sea level rises permanently
True
False
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15
×
What happens to sediments removed from one part of a shoreline?
They transform into magma
They vanish
They may be transported and deposited elsewhere
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banana
Go to last place!
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star
Double points!
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fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 5 points!
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baam
Lose 20 points!
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gift
Win 25 points!
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gift
Win 25 points!
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banana
Go to last place!
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15
×
Which of these is a natural process that changes the coastline over time?
Hydraulic action
Car engine exhaust
Asteroid impacts
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15
×
What is the loss of land along the coast called?
Volcanic intrusion
Coastal erosion
Ocean expansion
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15
×
Which natural force compresses air into cracks in coastal rock and helps break it apart?
Magnetism
Hydraulic action
Glacial carving
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15
×
Which of these human actions can worsen coastal erosion?
Planting mangroves
Building coral reefs
Sand mining from beaches
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15
×
Sea level rise causes coastal erosion because it increases wave impact on the shore.
False
It decreases wave energy
True
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15
×
Coastal erosion is the wearing away of land along the coastline by waves, currents, tides, and wind.
The building up of land from deposited sediment
The wearing away of land by the sea
The sinking of land due to earthquakes
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