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→Geography Key Stage 4
==Geography Key Stage 4==
[[File:Volcano.png|right|300px|thumb|A picture of an active [[volcano]].]]
===Meaning===
A '''volcanic eruption''' is a forceful explosion of volcanic material such as [[steam]], [[lava]], [[rock]]s and [[toxic]] [[gas]]es and [[gas]]es which are [[Dangerous to the Environment|dangerous to the environment]] into the air.