What causes tsunamis, and why are they so destructive? What will be an ideal response?
Many tsunamis are caused by the displacement of ocean water caused by crustal movement or
slumping as the result of faulting. They are very destructive because they are incredibly fast-moving
waves with long wavelengths. These waves reach large sizes only where they enter water shallow
enough for them to touch bottom (1/2 wave length), and thus the wave amplitude increases.
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What is the cool, rigid, outer layer of Earth that is comprised of continental and oceanic crusts and the uppermost
mantle? a. Upper mantle b. Lithosphere c. Asthenosphere d. Lower mantle e. Outer core
____________________ lakes evaporate and disappear only to reappear when rain provides adequate inflow
Fill in the blank(s) with correct word
An agreed-upon common language to facilitate communication on specific topics such as business is called a(n)
A) language group. B) official language. C) dialect. D) lingua franca. E) language family.
Which of the following defines a supercell storm?
A. a thunderstorm that produces a category EF5 tornado B. an enormous thunderstorm that lasts for several hours C. a thunderstorm that produces several tornadoes D. a thunderstorm with an extremely large downburst