When a rock is buried to increasing depth it is subject to increasingly greater temperature and pressure and will undergo ________.
A. hydrothermal metamorphism
B. shock metamorphism
C. prograde metamorphism
D. contact metamorphism
E. retrograde metamorphism
Answer: C
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Why have fewer middle class retirees chosen the Coastal South as a retirement destination in recent decades?
A) Hurricanes have increased due to global climate change, increasing the danger to many residents with limited mobility. B) Crime rates have risen, so that many retirees no longer feel safe. C) Land prices in some parts of the region have risen so much that many retirees can no longer afford to buy a home near the coast. D) The standard of living and recreation options in other parts of the country have risen to a point where the Coastal South is not as desirable.
Which of the following has traditionally received most of the United States government's energy subsidies?
A. fossil fuels and nuclear power B. solar energy and wind power C. wind power only D. hydropower E. hybrid cars
In which area of East Asia are loess deposits most common?
A) southern China B) North Korea C) Taiwan D) west of the North China Plain E) South Korea
The petroleum window is the depth between ________ to ________ feet through which sapropel must pass to transform into oil.
A. 100; 600 B. 10,000; 20,000 C. 500; 6000 D. 100; 1000 E. 7,500; 15,000