Answers

2015-07-16T22:25:25+08:00
There are two types of waves. First is Surface Waves second is Body Waves. I think it is a Primary Waves and Secondary Waves. Coz Surface Waves is Love Waves and Rayleigh Waves.
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2015-07-17T00:10:43+08:00
P waves and s waves the two types of body wave
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