Oil shale
A. contains a waxy solid called kerogen.
B. is rich in a tarry, asphalt-like oil.
C. is very rare in the United States.
D. can be developed by using warm water to extract the oil from the rocks without mining.
Answer: A
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Which is not a factor that leads geologists to expect that convection in the mantle is likely?
A) Viscosity in the lithosphere is high. B) Viscosity beneath the lithosphere is lower because the rock is close to its melting temperature. C) Some of the lithosphere is denser than the asthenosphere. D) The thickness and mass of the mantle are huge.
As an ice sheet recedes and its weight on the land is removed, the land surface sinks downward by the process of isostatic rebound
a. True b. False Indicate whether the statement is true or false
United Nations' studies suggest that the impacts of global climate change are likely to be most severe in the highly industrialized countries.
Answer the following statement true (T) or false (F)
In the last few thousand years, sea-level changes have resulted from all but ________
A) submergence of land masses B) emergence of land masses C) deglaciation D) eustatic changes E) the change of the total volume of water in the Earth system