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Book, 2009
Current format, Book, 2009, 1st hardcover ed., Available .
Book, 2009
Current format, Book, 2009, 1st hardcover ed., Available . Offered in 0 more formats
Earth's crust is always moving and changing. It is made up of many individual pieces, called plates, which move and collide, pushed and pulled by molten magma under the planet's surface. The movement of these plates creates landforms such as mountains and trenches, and causes natural phenomena such as volcanoes and tsunamis.
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