Barrier islands are formed of
A. Coral deposits
B. Wind- and wave-deposited sand
C. Volcanic debris
D. Silt and mud left by estuaries
E. Coral reef formations
Answer: B
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The reaction that drives the release of energy in nuclear power plants is
a. nuclear fission. b. nuclear fusion. c. control rods. d. nuclear emergencies.
Which of the following cloud types is a grey sheet-like cloud layer through which a dim, "watery" sun is visible?
A. cirrostratus B. stratocumulus C. altostratus D. cumulonimbus
The solar constant is
A. only about a quarter of all energy emitted by the sun. B. the same value for all planets, even Neptune. C. the same for a sphere or for a circle. D. consistent amount of energy received at the top of the atmosphere.
Erosion of the Taconic Highlands resulted in the development of a/an ______________called the
______________. Fill in the blank(s) with the appropriate word(s).