Which statement about geostrophic gyres is true?
A) One of the six gyres is the Antarctic Circumpolar Current.
B) Gyres are influenced by the Coriolis effect and the position of continental landmasses.
C) Gyres are formed by deep water currents that flow in a continuous circuit around the five major basins.
D) Sea level is lower in the middle of the gyre.
B
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The unusual organisms living in Australia have evolved primarily because of
A) the unique position of Australia on the face of Earth. B) shifting ocean currents around the continent. C) long term isolation of the continent. D) the unusual climates of Australia.
Approximately 68% of the U.S.’s energy consumption comes from coal.
Indicate whether the statement is true or false.
The air we breathe is part of the __________.
a. asthenosphere b. geosphere c. atmosphere d. biosphere e. all of the above
Which convection cell has warm, moist air rising at 0° latitude and cooler, dry air that sinks at around 30° latitude?
A. Ferrell Cell B. Polar Cell C. Jet Stream D. Hadley Cell