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volcano

on June 30, 2011

volcano is an opening in a planet’s surface make gases and fusible matters go out then it leak on the surface to make hill or a mountains has different parts.

volcano gives different matters:
lava: it’s a fusible rocks became on the surface before being a volcanic rock like basalt

gases and volcanic powdered : sulfur dioxide ,vapor,hydrocarbons

 

where we can find volcanos?

how volcano happens?

under the surface is very hot what make rocks be fusible then it look for a colder level if it find a opining in the surface the volcano happens

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