The Peru (Humboldt) Current is an example of which of the following types of currents?
A) Eastern Boundary Current
B) Equatorial Counter Current
C) Northern Boundary Current
D) Southern Boundary Current
E) Western Boundary Current
A
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________ continental margins typically exhibit wide, extensive, continental shelves.
A) Transverse B) Lateral C) Passive D) Active
Scattering caused by atmospheric particles larger than the wavelengths of light is
A) transmission. B) Rayleigh scattering. C) Mie scattering. D) refraction.
The ozone thinning ("hole") that occurs in the upper atmosphere over each pole in winter is due primarily to
A. chlorofluorocarbons. B. global warming. C. lack of solar ultraviolet energy reaching the pole. D. volcanic eruptions.
All of the following is true regarding shortwave radiation that reaches the earth's surface EXCEPT
A. heating of the atmosphere by insolation is more effective than heating of the atmosphere by land and water. B. the earth's atmosphere can be heated by latent heat released through condensation, freezing, and deposition. C. some shortwave radiation is converted absorbed by ozone molecules in the stratosphere and converted to sensible heat. D. shortwave radiation is absorbed by the surface and then radiated as longwave radiation where it can later be directed downward by counterradiation.