Vast amounts of sand are moved by ________.
A. longitudinal currents
B. longshore currents
C. breakers
D. surf
E. Army Corps of Engineers
Answer: B
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With the rising temperatures of gases, atoms dissociate to become
A. plasmas. B. vapor. C. white hot. D. none of the above
The sodium-potassium pump provides an example of
A. diffusion. B. facilitated diffusion. C. active transport. D. endocytosis.
In general, warm, wet climates allow for fast formation of soils primarily because
A) chemical weathering proceeds at rapid rates. B) parent material found in warm, wet climates tends to break down faster than the types of parent material found in colder climates. C) physical weathering proceeds at rapid rates. D) there is less biological activity in warm, wet climates than elsewhere.
Today, no country has a death rate in excess of 21 per 1000.
a. true b. false