What is the innermost layer of the atmosphere, extending 17 kilometers above sea level at the tropics and about 7 kilometers above the earth's North and South Poles?
A. troposphere
B. stratosphere
C. hydrosphere
D. geosphere
E. biosphere
Answer: A
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Which of the following U.S. cities is the best example of smart growth?
A. Denver, CO B. New York, NY C. Miami, FL D. Portland, OR E. Las Vegas, NV
The wavelength of incoming radiation compared to outgoing radiation is:
A) incoming has a longer wavelength than outgoing. B) incoming has a shorter wavelength than outgoing. C) the wavelength is equal between the two. D) outgoing has shorter wavelength than incoming.
Holoplankton spend only their larval stages in the plankton.
Answer the following statement true (T) or false (F)
Littoral drift, which results in gradual sand movement down the beach in the same direction is also referred to as
A. traction. B. long shore drift. C. the Gulf Stream. D. saltation.