________ is the process by which a rock changes form or mineral content as a result of environmental changes such as heat and pressure
A) Rifting
B) Precipitation
C) Metamorphism
D) Foliation
Answer: C
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According to the textbook, which country has the second largest economy in the world?
A) Great Britain B) Brazil C) China D) Russia E) India
Recent studies indicate that between the 1950s and 1990s solar radiation reaching the Earth's surface may have:
A) increased 10%. B) decreased 10%. C) stayed the same. D) increased 25%.
Which of the following is NOT true about solar energy?
A) One can find solar panels for sale in the bazaars of Morocco. B) Solar energy is often a first choice in remote locations. C) Solar heating is used to provide hot water in places like Israel and Japan. D) Solar power is widely used in the United States, providing over 20 percent of the electricity. E) Passive solar energy systems increased in the nineteenth century with glass windows.
Raising the height of smokestacks to reduce local pollution in industrial areas and around power plants did what to areas away from the source of the pollution relative to acid rain?
A. tended to redirect the problem in the opposite direction B. increased it C. remained the same D. decreased it