A rapid change in temperature with depth is called a ________.
A. halocline
B. photic level
C. midwater current
D. thermocline
E. pycnocline
Answer: D
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Oil became a major resource with the diffusion of motor vehicles early in the 1800s
Indicate whether the statement is true or false.
Why do scientists think that lithosphere has to be destroyed somewhere on or in the earth?
A) Lithosphere is created at divergent boundaries and the earth is not getting any larger. B) The earth is getting smaller as the new oceanic crust cools and contracts. C) The moon is moving away from the earth and this would not happen if the earth had more lithosphere to increase its mass. D) There is not enough lithosphere on the earth to account for what has been produced in the last 200 million years.
What is another term for "stream sediment"?
A. Cutbank B. Colluvium C. Alluvium D. Levee
The doldrums can be found at the Equator.
a. true b. false