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Chap 9 Phy Geo
Terms in this set (56)
Most of Earth's water is stored ________.
On the surface in liquid form
The ________ is a prominent location of sinking water in Earth's thermohaline circulation
Clay has a high ________ and low ________ because it has a great many, small interstices
Which ocean is surrounded by most of the world's major volcanoes?
Which of the oceans has, by far, most of its surface south of the Equator?
The Aral Sea is ________
about to disappear because of the diversion rivers feeding the sea
Which of the following is NOT the name of a sea?
Which is the shallowest ocean in the world?
The average salinity of sea water is approximately ________ percent of total mass
Of the Earth's liquid water inventory, most of the fresh water is stored in the form of ________.
The oceans contain approximately ________ percent of all water on Earth
In the oceans, place-to-place differences in water temperature and other characteristics are most prominent ________.
near the surface
Which of the following is the chemical symbol for most of the salt in oceans?
The first ________ of the ocean depths exhibit significant differences from place to place.
The lowest temperature which is found in liquid surface seawater is approximately ________ degrees Celsius.
Which seawater has been found to have the least density?
seawater near the bottom
________ is making the oceans progressively acidic.
The term hydrosphere describes one of the Earth's "spheres" and it includes all of the ________.
water in the Earth system
The tides with the maximum tidal elevation are ________ tides.
Which of the following locations is known for its great tidal range?
the Bay of Fundy
The tides migrate following ________ course around the Earth
A wall of sea water rushing up into an embayment is called ________.
a tidal bore
The primary vertical motion of all ocean water is caused by ________.
The highest tides occur when the ________.
Earth, Sun, and Moon are lined up
Biological water (water in living organisms) constitutes what percentage of water in the Earth system?
less than 1%
Primarily, ocean currents are set in motion by ________.
What does the textbook refer to as it describes "most of this movement is like running in place, with little forward progress involved"?
The movement of a wave across the surface of the ocean is a movement of ________ rather than matter.
Over three-fourths of the world's fresh water is held in the form of ________.
Most of the north Polar region is covered by ________.
The largest ice shelf on Earth approximates ________ square kilometers.
Most of the ice of Antarctica is stored as ________.
an ice sheet
In terms of the total global supply of water, how much of it is in circulation at any one time?
a small percentage
Most of the surface of the Arctic Ocean is covered by ________ ice.
The ________ ice shelf is the largest on Earth.
All of Earth's frozen water is called the ________.
The North and South polar ice packs ________ in size during their respective winter seasons.
Ice, when it is frozen year-round in the ground, is termed ________.
Thawing permafrost sometimes degenerates into ________.
The top of permafrost is sometimes called ________.
the active layer
Lakes are common in areas which have been recently ________.
Surface water occupies somewhat more than ________ percent of our planet
The world's largest lake, fresh or saline, is ________.
the Caspian Sea
Which of the world's largest lakes is saline?
The Caspian Sea
North America's largest lake is ________.
Lakes comprise about ________ percent of the globe's unfrozen freshwater surface.
________ is the world's deepest lake.
This sea has shrunk to one-third its former size because of human interference.
Most of the lakes in the north central United States exist as a result of ________.
This lake has been greatly reduced in size because of irrigation withdrawals from the rivers that feed it.
After the Great Lakes, North America's largest freshwater lake is ________.
Great Bear Lake
By far, the lake with the greatest volume of freshwater is ________.
This part of the world is noted for large lakes caused by Earth's crust splitting and by volcanic activity.
eastern and central Africa
The Great Salt Lake in Utah is ________.
without a natural drainage outlet
The difference between swamps and marshes is mainly one of ________.
trees versus grassland
North America's most prominent river system in terms of the area of its drainage basin is the ________.
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