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C.1.7 Structure of the Earth

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The outer solid layer of the Earth
The liquid layer of molten rock between the crust and core
The centre of the Earth
Tectonic plates
The huge slabs of rock that make up the Earth's crust and top part of its mantle
Convection currents
The circular motion of matter caused by the heating and cooling of fluids
The relatively thin layer of gasses the surround that planet Earth
Makes up around 80% of the Earth's atmosphere
Makes up around 20% of the Earth's atmosphere
A trace gas, making up 0.9% of the Earth's atmosphere
Carbon Dioxide
A trace gas, making up 0.037% of the Earth's atmosphere
Inner Core
The solid part of the Earth's core.
Outer Core
The liquid part of the Earth's core.