Diatoms and algae are examples of phytoplankton
a. True
b. False
True
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The Hadley cell:
A) originates with strong solar heating at the equator. B) creates a high-pressure area at the equator. C) does not account for the formation of trade winds. D) does not explain upper air movement in the troposphere.
In the late 1700s James Hutton published his important work titled ________
A) Catastrophism B) Theory of the Earth C) Principles of Geology D) Modern Earth Science
Which of the following is the predominant process that forms the metallic minerals in and around black smokers?
A) Turbidity currents B) Melting icebergs C) Precipitation D) Suspension settling E) Undersea streams
A possible "driving force" for plate motions is
A. the weight of subducted continents pulling downward. B. convection in the asthenosphere. C. shifts in the earth's magnetic field. D. volcanic eruption at hot spots.