Answers

2016-07-06T18:41:44+08:00
An elastic wave in the earth produced by an earthquake or other means

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The Brainliest Answer!
2016-07-06T21:52:34+08:00
Are waves of energy thet travel the Earth's layers,and area result of earthquakes, vilcanic eruptions, magma movement, large landslides, and large man-made explosions that give out low-frequency acoustic energy...
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