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02-03-2016
Chemistry

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What type of rock is created when lava cools and hardens?

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02-03-2016

Igneous rocks are formed when lava cools down and hardens. Some examples of ingeous rocks are obsidian and basalt.

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02-03-2016

Igneous rock. there are many types of this form of rock such as, granite, basalt, and pumice. these are just a few examples

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