(1) Earthquake (2) Tsunami(3) Flood(a) Very powerful waves are generated at


(1) Earthquake
(2) Tsunami(3) Flood(a) Very powerful waves are generated at sea level(1) The upper part of the terrain moves downwards(c) An air storm arises.(d) The earth’s surface is shaking suddenly with speed(e) A sudden rush of water into the river(4) Landslide(5) Humicane​


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