Earth Science : 6. EARTH'S WATER ( Quiz 2)
Rivers _____.
change the landscape through erosion
How much of Earth's freshwater is found underground?
30%
Melinda lives in a larger, U-shaped valley. It was most likely formed by _____.
a glacier
A watershed is _____.
an area where all draining water goes into the same river system
The water table is _____.
An underground area located at the top of the saturated zone of ground water
Which of the following statements is true?
The Arctic ice cap floats on top of the Arctic Ocean.
Recent warming trends _____.
are causing polar ice to retreat
Lakes _____.
are recharged by precipitation
In landlocked lakes, water is discharged primarily through _____.
evaporation
Glaciers _____.
form when snow compresses into ice
About 70% of Earth's freshwater is _____.
frozen in glaciers and ice caps
Which of the following materials is most porous?
loosely packed gravel
Most lakes were formed from _____.
melting glaciers
How freely water moves into and through soil or rock is called _____.
permeability