# What are the layers of the earth made of?

Dec 11, 2015

It depends on the layer.

#### Explanation:

Let's start with the crust, the most abundant element in the crust is the Oxygen, Silicon, Aluminum, Calcium, Iron, Potassium, Magnesium, Titanium, Hydrogen, Sodium, and others.

Mantle$\rightarrow$Silicon, Oxygen, Iron, Magnesium

Outer core$\rightarrow$ Liquid Iron and Nickel

Inner core$\rightarrow$ Solid Iron and Nickel