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Plate tectonics

QuestionAnswer
Inner core The inner core is 1,200 km thick and makes up the very centre of the Earth.
Outer core The outer core is 2200 km thick and surrounds the inner core.
Mantle The mantle is 2900 km thick and is the middle layer of the earth.
Endogenic forces Forces from within the earth that cause the crust to move vertically or horizontally. Convection currents are mainly responsible for endogenic forces.
Asthenosphere 100 - 200 km thick section of the mantle
Lithosphere Solid part of the upper mantle and the crust combined
Moho line The boundary that divides the solid upper mantle and the Earths crust
Continental crust Land
Oceanic crust Oceans and seas
Magma Liquid rock
Semi-molten Half liquid and half solid
Created by: Mayagalbraith
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