Answers

2014-06-27T16:55:33+05:30
Tsunamis are caused dude to displacement of a large volume of a body of water. and japan usually faces such calamities due to its geographical position. 
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2014-06-27T18:45:34+05:30
More heat can lead to natural calamity
japan faced such calamities because of most of the water  sources in japan are from oceans and ocean get heated by the volcanoes an
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