1
1
The largest reservoir of freshwater that is available to humans is ____________.
Lakes and Reservoirs
Glaciers
Groundwater
River Water
2
1
The single most important agent sculpturing Earth's land surface is
____________.
ground water
wind
waves
running water
ice
3
1
During periods when rain does not fall, rivers are sustained by ____________.
Atmospheric moisture
runoff
evaporation
transpired moisture
goundwater
4
1
Since the water cycle is balanced, the average annual precipitation worldwide
must equal the quantity of water evaporated.
True
False
5
1
When water vapor condenses, it releases heat energy.
True
False
6
1
Approximately ____________ percent of Earth's area is represented by oceans and
marginal seas.
50
60
70
80
90
7
12
Identify the parts of the water cycle (process or thing) in the picture above.
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