Rock Cycle
YOUR LINK HERE:
http://youtube.com/watch?v=pm6cCg_Do6k
We bet you thought that rocks are just rocks, but the truth is there are three different kinds of rocks. Learn the differences between sedimentary, metamorphic and igneous rocks. • License: Creative Commons BY-NC-SA • More information at http://k12videos.mit.edu/terms-condit...
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