earth quakes part 1

############################# Video Source: www.youtube.com/watch?v=fwICpJT7tGE

this video helps to students to know about earthquakes

earthquakes, focus, epicentre, types of earthquakes, causes of earthquakes, effects of earthquakes, shallow focus earthquakes, inermediate focus earthquakes, deep focus earthquakes, impacts of earthquakes, tsunami, Richter scale
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