What type of rock is formed of other rocks that were altered by heat, pressure, or both?
A. regolith
B. igneous
C. sedimentary
D. clastic
E. metamorphic
E
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Critical Thinking
In the accompanying figure, which U.S. expenditure in 2008 is equal to the amount of money needed to protect tropical forests?
What will be an ideal response?
Of the following regions, this one has the highest record-low temperatures, on average,
A) New England. B) Midwest. C) Southwest. D) Great Plains. E) Alaska.
What is necessary in order for clouds to form when the atmosphere is absolutely stable?
A) an environmental lapse rate less than 5°C B) a high degree of subsidence C) cooling of the air mass from below D) a lifting mechanism other than convection (such as a front)
Which of the following is NOT a result of eolian processes?
a. loess b. pediment c. blowout d. yardang e. seif