At midlatitudes in spring, a phytoplankton bloom is often preceded by ________.
A. vertical mixing becoming shallower than the critical depth
B. vertical mixing exceeding the critical depth
C. the critical depth being equal to the compensation depth
D. the critical depth becoming shallower than the thermocline
Answer: A
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Which of the following coastal engineering structures is built parallel to the shoreline?
A. Seawall B. Jetty C. Groin D. Breakwater E. None of these is correct.
Thermosphere
What will be an ideal response?
Which of the following properly describes processes which occur in prokaryotes and eukaryotes?
A) In both prokaryotes and eukaryotes transcription and protein synthesis occur simultaneously. B) In neither prokaryotes and eukaryotes do transcription and protein synthesis occur simultaneously. C) In eukaryotes transcription and protein synthesis occur simultaneously, but in prokaryotes these processes occur sequentially and in different regions. D) In prokaryotes transcription and protein synthesis occur simultaneously, but in eukaryotes these processes occur sequentially and in different regions.
The depth beneath the surface of the ocean below which passing waves do not disturb the water
column is called:a. thermocline. b. wave base. c. fetch. d. wave depth. e. the ocean floor