How does chemical weathering differ from mechanical weathering?
September 11, 2021Why is cosmology important?
September 11, 2021
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The elements of each layer of earth is:
Crust:
- oxygen
- silicon
- aluminium
- calcium
- iron
- sodium
- potassium
- magnesium
Mantle:
- silicon
- oxygen
- iron
- magnesium
Outer Core:
- iron
- nickel
Inner Core:
- iron
- nickel
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