Surface Water Answers

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1
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Which phrase describes a feature of groundwater?

A
feeds rivers
B
provides habitats
C
makes up 75% of fresh water
D
used for hydroelectric power
2
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How do rivers become larger as they travel across land?

A
Groundwater rises, adding water to rivers.
B
Tributaries combine, adding water to rivers.
C
Ice sheets melt slowly, adding water to rivers.
D
Rainfall in an area increases, adding water to rivers.
3

How do wetlands form?

A
Tributaries flow into rivers.
B
Runoff travels down the side of a divide.
C
Water builds up in a depression left by an ice sheet.
D
Groundwater comes to the surface and floods the land.
4

How do icebergs form?

A
They form when seawater freezes.
B
They form when groundwater freezes.
C
They break off from the coast of Iceland.
D
They break off large ice sheets found at the poles.
5

Which statement explains one difference between marshes and bogs?

A
Marshes are highly acidic, while bogs are not.
B
Bogs look like flooded forests, while marshes contain grasses.
C
Marshes can contain fresh water, while bogs contain salt water.
D
Marshes are areas of shallow water, while bogs are deeper areas.
6

Why are plants unable to grow at the bottom of lakes?

A
The water is colder at the bottom.
B
Sunlight does not reach the bottom.
C
Groundwater feeds into the bottom.
D
Less fresh water is found at the bottom.
7

Where is most of Earth’s fresh water found?

A
in the ground
B
near the poles
C
in lakes and streams
D
in the air as water vapor
8

Which freshwater source is a permanent shallow body of water with plant life throughout?

A
lake
B
pond
C
reservoir
D
wetland
9

Which word identifies a large natural or human-made lake used to supply water?

A
marsh
B
pond
C
reservoir
D
wetland
10

Which phrase describes runoff?

A
underground water that flows into lakes
B
river water that empties into an ocean
C
water from streams that flows into larger rivers
D
water from rain and snow that travels to streams

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