Joann, a marine scientist, is studying the amount of dissolved iron, nitrate, and phosphate in the upper water column of
the open ocean to determine if nutrients are limiting phytoplankton growth. What kind of marine scientist is she?
a. physical oceanographer
b. chemical oceanographer
c. marine biologist
d. marine geologist
e. marine engineer
b
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Which of the following describes what a liquid thermometer will do when held in direct sunlight?
A. It will measure a much lower temperature than that of the air. B. It will not be able to maintain a constant measurement. C. It will accurately measure the air temperature. D. It will measure a much higher temperature than that of the air.
What would happen if you used data from a very dry set of years to compute the recurrence interval calculations?
What will be an ideal response?
Bacteria that make their own organic compounds by obtaining energy from chemical compounds and not directly from light are ________.
A. chemosynthetic B. protists C. living off decaying organisms D. photosynthetic E. heterotrophic
Beach sand moves along the shore in a movement of materials called ________
A) barrier bar deposition B) spit organization C) beach drifting D) tombolo genesis E) karst solution