Question

give a paragraph about tsunami

Answer 1

A tsunami or tidal wave, also known as a seismic sea wave, is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. Earthquakes, volcanic eruptions and other underwater explosions (including detonations of underwater nuclear devices), landslides, 

Answer 2

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There are two categories for the trigger mechanism of a tsunami: Terrestrial trigger mechanism are most often earthquakes, however, undersea landslides, volcanic eruptions, and explosions can also cause a tsunami. Extraterrestrial trigger mechanism are impacts of cosmic bodies, such as meteorites in the ocean.
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