-
If the total amount of water on Earth increased, from where might it originate?
A. comet impacts
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Evaporation of water from the oceans is NOT important because
D. dissolved salts are evaporated with the water
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Precipitation does NOT
D. add salts directly to the oceans
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The geographic boundaries of a watershed are determined by
B. elevation changes
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The _________ would most likely constitute the continental divide for most of South America
C. Andes Mountains
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A sediment that has low porosity and has poor permeability is
B. clay
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If you put a raft in the Ohio River at Cincinnati, and letthe current move you downstream, in which city would you find yourself some many days later?
C. New Orleans, LA
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Pollution of groundwater is a major concern for alandfill. Which of these would offer the protection of groundwater resources?
D. clay
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Middle Tennessee is a mix of urban and rural areas. It is known for its production of cotton and for its Nissan car plant. The major use of water in middle Tennesseeis for
D. A and B
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Treatment of surface water for consumer use does NOT include
D. removal of salts
-
Groundwater costs more for consumer use because
A. it must be pumped to the surface
-
The method used to extend the supply of fresh water does NOT include
D. treatment of seawater
-
For water to be considered as a resource, the factor that is NOT considered is
C. source
-
A method that is NOT used to disinfect water is
C. evaporation
-
New methods for removing pollutants from water do NOT include
D. screening
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Below 80m, ocean carbon dioxide increases and oxygen decreases. One reason for the decreasing oxygen would likely be
B. lack of sunlight
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The Atlantic Ocean does NOT have
D. B and C
-
The average salinity of seawater is
D. 35 parts per thousand
-
Carbon dioxide dissolves in seawater and forms
D. all of the above
-
Photosynthetic plants ___________ the concentration of carbon dioxide in the oceans
A. decrease
-
Water covers ______ percent of the earth's surface
D. 70
-
Approximately ____ percent of the water on the surface of the earth is in the solid phase
A. 2
-
The cycle of evaporation, precipitation and return of water to the oceans is called
C. hydrologic cycle
-
The major source of freshwater is
C. precipitation
-
A small body of running water is called a
B. stream
-
The amount of rain that becomes runoff or groundwater does NOT depend on
C. distance rain fell
-
The land that is drained by a stream is called the
B. watershed
-
Groundwater is NOT
C. salt water
-
A small body of standing water is called a
B. pond
-
Which of the following is NOT defined as surfacewater?
B. groundwater
-
The water from a saturated zone with all open spaces filled with water is called
A. groundwater
-
The amount of groundwater is estimated to be
C. 25 times the amount of surface water
-
The total amount of pore spaces in a given sample of a sediment is defined as
B. porosity
-
The ability of a given sample of a sediment to transport water is defined as
C. permeability
-
The amount of groundwater in a specific area does NOT depend on
D. a nearby lake or reservoir
-
The surface of the boundary between the zone of saturation and the zone above is called
A. water table
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A layer of sand, gravel, sandstone, or any other highly permeable material beneath the surface through which groundwater can move is
C. aquifer
-
Water that usually does not have to be filtered is obtained from a
C. well
-
A possible answer to replenish the dwindling fresh water supply is
B. recycle wastewater
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