Evidence that the entire thickness of the ocean water column is in motion during a tsunami includes
A) the short period.
B) the low velocities.
C) the low wave base.
D) the large wavelengths.
Answer: D
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Which of the following correctly states the pressure changes as a cold front passes through an area?
A. The pressure drops in advance of the front and then rises after the front passes. B. The pressure drops in advance of the front and then drops further after the front passes. C. The pressure rises in advance of the front and then drops after the front passes. D. The pressure rises in advance of the front and then rises further after the front masses.
A frothy volcanic rock with so much void space that it can actually float is called
a) Obsidian b) Tephra c) Pumice d) Lava e) Tuff
Why has so much attention been placed on reducing the depletion of stratospheric ozone??
What will be the ideal response?
Which of the following climate types takes up the most land area on Earth?
A) A B) B C) C D) D E) H