Answers

2015-10-22T21:20:23+08:00
Volcano is an opening in the Earth's crust through which molten, gaesous, and solid material is ejected. It is also a mountain created by the deposition of materials ejected from a vent in a central crater.
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2015-10-27T18:06:12+08:00
A volcano is a rupture on the crust of aplanetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gasesto escape from a magma chamber below the surface.
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