How can GPS receivers and satellites be used to monitor plate motion?
A) GPS receivers are placed on landmasses to track their locations.
B) Satellites send lasers to measure the distance to continents.
C) GPS receivers send signals to each other to see if the units are getting closer together.
D) Satellites track seafloor spreading.
Answer: C
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What is a true trend in urban population dynamics?
A. The percentage of the global population that lives in urban areas is increasing. B. Urban growth is much faster in developed countries than developing countries. C. Infrastructure is beginning to catch up with the need in developing countries. D. Poverty is becoming decreasingly urbanized, especially in developing countries. E. Overall population numbers are decreasing but sizes of urban areas are mushrooming.
What is cyclogenesis?
A. forces creating low pressure B. poleward deflection of winds C. formation of cyclones D. origination of frontal system E. position of the jet stream
How thick is the atmosphere?
A. About 5000 km B. About 500 km C. About 50 km
Warm advection occurs when the
a. wind veers (changes direction in a clockwise manner) with height. b. wind backs (changes direction in a counterclockwise manner) with height. c. isotherms are parallel to the winds. d. wind veers with height and the isotherms are parallel to the winds. e. Sun angle is 90 degrees.