Earth Science: The Water Planet, Book H

Chapter 2: Freshwater at Earth's Surface

Standardized Test Practice

1
Which agency enforces the water pollution laws in the United States?
A)USGS
B)EPA
C)NASA
D)DOE
2
What is an alluvial fan?
A)coarse sediment deposited by a glacier
B)stream deposition into a body of water
C)stream deposition onto a flat plain
D)fine-grained sediment deposited by wind
3
According to the graph below, when is the oxygen concentration the highest?

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A)between sunset and midnight
B)between noon and sunset
C)between sunset and midnight
D)between midnight and sunrise
4
Examine the graph below. Why might the oxygen concentration in the Colorado River vary in this way?

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A)When the Sun sets, plants use more oxygen and the concentration declines.
B)When the Sun rises, plants begin to produce oxygen and the concentration increases until just after sunset.
C)When the Sun rises, animals become more active and use more oxygen.
D)When the Sun sets, animals become more active and use more oxygen.
5
What is formed if the land on which a stream is located is uplifted?
A)a delta
B)a cut bank
C)an alluvial fan
D)a canyon
6
Which day saw the highest discharge of the Neuse River?

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A)September 19
B)September 23
C)September 24
D)September 18
7
Which process circulates nutrients at the bottom of a lake to the shallow areas and surface water?
A)eutrophication
B)turnover
C)discharge
D)point source pollution
8
Which type of stream load is carried into streams by groundwater?
A)bed load
B)suspended load
C)dissolved load
D)sediment load
9
How did Lake Mead form?
A)crustal movements
B)groundwater
C)created by humans
D)glaciers
10
Which type of wetland doesn't have many trees and shrubs?
A)marshes
B)bogs
C)oak swamp
D)cypress swamp
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