Earthquakes and Volcanoes

Earthquakes and Volcanoes (Restless Earth) by Ellen Prager
English | 30 Dec. 2008 | ISBN: 0791097056 | 121 Pages| PDF | 8 MB

Though the Earth's outermost shell is comprised of tectonic plates that are constantly shifting underneath our feet, the ground is usually quiet and still. But sometimes, an earthquake violently rocks the ground or an explosive volcanic blast causes destruction to surrounding areas.

Title: Earthquakes and Volcanoes
Size: 7.08 MB | Format: rar
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