Water Resources Answers

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1
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How would living things most likely be affected if there were a shortage of water on Earth?

A
Living things would not be able to live, reproduce, or regulate their own temperature.
B
Living things would not be able to absorb and transport heat or regulate their own temperature.
C
Living things would not be able to reproduce or absorb and transport heat.
D
Living things would not be able to regulate their own temperature, live, or absorb or transport heat.
2
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How much of Earth’s water is fresh water?

A
3 percent
B
25 percent
C
75 percent
D
90 percent
3

Which hold water until it is needed?

A
dams
B
reservoirs
C
aqueducts
D
valleys
6

What is one example of reusing water?

A
increasing salt levels in sea water
B
watering the yard throughout the day
C
watering flowers with dirty dishwater
D
keeping the sink running while brushing teeth
7

What is one important role that ocean waters have in heating Earth?

A
absorb and transport solar energy
B
transport nutrients and waste
C
create and emit solar energy
D
wear away rock and soil
8

Where is the majority of Earth’s water found?

A
glaciers
B
oceans
C
ground
D
rivers and lakes
9

What are some ways water shapes Earth’s surface?

A
by transporting nutrients and waste
B
by forming glaciers and weathering ocean shores
C
by forming river and mountains
D
by absorbing and transporting solar energy
10

What is one disadvantage of desalination?

A
The process can ultilize solar energy to lower its cost.
B
The process uses fuel that is expensive.
C
The process makes water that is unsafe to drink.
D
The process is too difficult to carry out in big cities.

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