Answers

2016-06-25T10:25:50+08:00
The worlds earthquake are not randomly distributed over the earths surface, they tend to be concentrated in narrow zones.
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2016-06-25T10:40:28+08:00
Earth ussually accour at plate boundaries,e.g.
Pacific Ring of Fire,where the plate collide into each other and create shock waves that rock Earth's surfaces.
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