plate tectonics
YOUR LINK HERE:
http://youtube.com/watch?v=b5KRGHvntIo
3.1.1 Section A: The challenge of natural hazards • Key idea - Physical Processes • Earth's Structure • Types of Crust • Plate Tectonic Theory • Link to BBC Bitesize - https://www.bbc.co.uk/bitesize/guides...
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