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BY: . ALGHEM FATIMA . GOZIM YASSER. Tsunami is a natural desaster !.
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Definition of tsunami Ways to survive the tsunami.
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tsunami. A tsunami is a serie of waves of very long period propagating through an aquatic envirement ( ocean, sea and lake), resulting from the sudden movement of a large volume of water, usually caused by an earthquake, underwater landslideor a volcanic explosion, and can be transformed, by reaching the coasts ..