The increase in meltponds across polar regions absorb more insolation and become warmer. This leads to more melting, which creates more meltponds. This is an example of a ________
A) dynamic equilibrium.
B) steady state equilibrium.
C) negative feedback.
D) homeostasis.
E) positive feedback.
E
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Which of the following landscapes were not carved by glaciers?
A. Yosemite National Park B. the Great Lakes of North America C. the Grand Canyon D. the Swiss Alps
Which of the following pairs of clouds are the primary precipitation-producing ones?
A) stratus and nimbostratus B) nimbostratus and cumulonimbus C) stratocumulus and cumulonimbus D) altostratus and nimbostratus
The racist laws that divided South Africans were known as
A) secessionist. B) apartheus. C) appomattox. D) apartheid. E) states rights.
A clastic sedimentary rock composed mainly of particles less than 2 micrometers in diameter would be called:
a. shale b. siltstone c. sandstone d. conglomerate