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
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
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