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A tsunami  is a series of water waves  that is caused by the displacement of a large volume of a body of water, such as an ocean. The original Japanese term literally translates as "harbor wave." Tsunamis are a frequent occurrence in Japan; approximately 195 events have been recorded. Due to the immense volumes of … Read more

Ozone layer is getting spoiled due to the pollution because of factories and vehicles 

What is a tsunami?A tsunami is a series of waves with a long wavelength and period (time between crests) generated by a large, impulsive displacement of sea water.Time between crests of the wave can vary from a few minutes to over an hour.Tsunamis are often incorrectly called tidal waves; they have no relation to the … Read more