An Earthquake on the sea floor or close to the coast may cause __________.

landslide

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tsunami

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flood

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none of these

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Solution

The correct option is B tsunami
Tsunamis are the catastrophic harbour waves caused by the displacement of a large amount of water at the seafloor.
This displacement is often triggered by an earthquake at the seafloor thus option B is correct.
Landslides are unrelated hence incorrect while Tsunamis may lead to flooding at the coastal zones. However, to chose one option the tsunami is the most direct answer to this question.

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3. Earthquakes occur all the time, all over the earth.

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Question 5

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Question 14

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