Ice sheets can be ________
A) several kilometers thick B) tens of kilometers thick
C) several centimeters thick D) several meters thick
A
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On this map of South America, which features are not on a plate boundary?
A) A and B
B) B and C
C) C and D
D) D and E
E) All of the features are on a plate boundary.
The surface pressures at the bases of warm and cold columns of air are equal. Air pressure in the
warm column of air will __________ with increasing height __________ than in the cold column. a. decrease, more rapidly b. decrease, more slowly c. increase, more rapidly d. increase, more slowly
What is the major predictor for the international outsourcing of back-office work by U.S. firms?
A) low wages B) nearby location C) international labor agreements and treaties D) availability of fluent speakers of English E) efficient transportation systems
Geoengineering proposals to mitigate climate change include ________.
A. development of wind turbine farms in the open ocean B. large-scale iron fertilization C. increasing rates of denitrification D. enhancement of deep-water formation