What conditions are required to form the parallel alignment of minerals sometimes found in metamorphic rocks?
A. Both heat and pressure
B. Heat only
C. Pressure only
D. Either heat or pressure
Answer: A
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Rise and fall of sea level in epeiric seas can be partly explained by continental glacial events
a. True
b. FalseCompared to the rest of the planet, an unusually high concentration of hot spots and rifting is located on the continent of Africa. A likely explanation for this is that __________.
a) a large portion of Africa is located near the equator b) mantle plumes do not occur at divergent plate boundaries, and Africa has no divergent plate boundaries c) the African Plate is essentially stationary with respect to Earth's interior and the thick continental crust acts as a "heat blanket" d) the thick continental crust acts as a "heat blanket" and a large portion of Africa is located near the equator e) Africa is just very large
Official languages in Switzerland include all but which of the following?
A) Italian B) Flemish C) Romansh D) French E) German
Approximately how many of the earth's people are Muslim?
A) 500 million B) 1.3 billion C) 1.9 billion D) 2.4 billion E) 2.8 billion