________ is molten rock that is below the Earth's surface and retains most of its volcanic gases
A) Lava
B) Pumice
C) Magma
D) Volatiles
Answer: C
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Average annual temperature:
The recent increase in forest fires in the United States is most related to
A) increases in logging in the region. B) a decade of drought. C) government policies that have dramatically increased the size of forests in the west. D) new management policies that no longer try to stop or control wildfires.
The causes of the Financial Crisis of 2007-2009 include all of the following EXCEPT
A) deregulation of the financial industry. B) high levels of U.S. and household debt that had been accumulating for decades. C) the Federal Reserve kept interest rates extremely low. D) predatory lending for "sub prime" loans. E) housing prices rose much faster than household incomes in the 1990s and 2000s.
In the far western Pacific, extremely strong tropical storms are called ________
Fill in the blank(s) with the appropriate word(s).