An internal wave might form ________
A) at a density boundary within the ocean
B) at the boundary between the atmosphere and the ocean
C) at the boundary between the ocean and the seafloor
D) close to shore as it moves into shallow water
E) only as a result of tidal activity
A
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What is the eventual fate of erosional beaches?
A) The sea cliffs and sea caves overrun the coastline. B) Marine erosion becomes less of a factor with the age of the beach. C) They become a depositional beach. D) None of these choices
On a weather map, a blue line with blue triangles signifies a(n) ____________________
Fill in the blank(s) with correct word
Which of the following is NOT correct regarding nitrogen?
A) The atmosphere contains about 78% nitrogen, B) Bacterial action is key to the nitrogen cycle. C) Nitrogen is very important to organisms. D) Atmospheric nitrogen is accessible directly to most organisms.
Assume that the absolute vorticity of flowing air is conserved. If air is moving northeastward, which of the following statements is correct?
A. Air will bend anticyclonically to compensate for an increase in the Earth's vorticity. B. Air will bend cyclonically to compensate for a decrease in the Earth's vorticity. C. Air will bend anticyclonically to compensate for a decrease in the Earth's vorticity. D. Air will bend cyclonically to compensate for an increase in the Earth's vorticity.