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What are the layers of the Earth, in order?
Just remember..
##1.## Inner Core
- iron and nickel in the solid state
- about 800 miles thick
##2.## Outer Core
- iron and nickel in the liquid state
- about 1400 miles thick
##3.## Lower Mantle
- flows with the consistency of asphalt
- about 1800 miles thick
##4.## Upper Mantle
- about 120 miles thick
##5.## Crust
- about 20 miles to 30 miles