Which water mass is characterized by increasing density with deeper depths?
a. Surface zone
b. Deep zone
c. Pycnocline zone
d. Mixed layer
ANS: C
The pycnocline zone has a direct relationship between density and depth. This means as the depth
increases in the water column, the density also increases. This is mainly the effect of rapidly
decreasing water temperatures. Information can be found in the section The Ocean Is Stratified by
Density.
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A. Military and Communist governments B. Warfare C. Lack of resources D. Military and Communist governments and Warfare
Combining place utility and potential intervening opportunities for a worker when the worker's aspiration level is not met leads to ________.
A. guest worker migration B. aspirational migration C. a spatial search D. return migration
What is luster?
An indication that a mineral has double refraction The color of a mineral A mineral's ability to transmit light through itself The color of a mineral in powdered form The quality of light reflected from a mineral's surface
Use your knowledge of plate boundaries to answer whether a volcano is likely or unlikely to form at the location of the red triangle.
A. likely B. unlikely