Earth & environment
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What is a Volcano? | volcanoes and eruptionsvolcanoes.de
A volcano is a crack in the crust of a planet like the earth. Magma can rise through the crack and erupt as lava on the surface of the planet.
Explore Volcanoes Online Volcano guide for everyone.Volcanic eruptions,volcanic hazards,…explorevolcanoes.com
Learn about volcanoes,volcanic eruptions,famous volcanoes,volcanic hazards and plate tectonics. Extensive Volcano picture glossary.
