What is not usually able to be measured by flow meters?
a. Surface currents
b. Intermediate waters
c. Bottom waters
d. Coastal waters
ANS: C
The deep water found in bottom water masses, in general, moves too slowly for flow meters to
measure. Water masses with faster currents can be measured by flow meters. Information can be found
in the section Studying Currents
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Which of following gives the main reason that hurricanes rarely develop over the South Atlantic Ocean adjacent to South America?
A. The Coriolis force is too small there. B. The surface water temperatures are too cold. C. The air at the surface is always diverging there. D. The pressure gradient force is too weak in that area.
Explain the importance of geocoding in crime mapping and analysis.
What will be an ideal response?
This figure shows the geologic timescale. Which period listed below would be part of the Mesozoic?
A. Pennsylvanian B. Neogene C. Cambrian D. Mississippian E. Jurassic
Depending on the time of year, ________ can account for between 10 to 50 percent of net primary production in the open ocean.
A. diatoms B. dinoflagellates C. Rhizosolenia D. Synechococcus E. Prochlorococcus