Friday, September 28, 2012

VOLCANOES

 A volcanoes erupts when pressure is on the magma chamber that cause the magma to rise with gas, rock and ash. It rise out of the chamber comes out then it is call lava the spreads out it keeps come out the ounce it has, many layers the volcano is shaped like a hill or mountain.

 Active volcanoes are mostly around the tectonic planets here is photo where some active volcanoes are.


One of the volcanoes that are active in New Zealand  is called Mt Tongariro.




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