Final answer:
The Earth is composed of the crust, mantle, and core, each with a unique chemical composition.
Explanation:
The Earth's main geological layers are the crust, mantle, and core, each with a distinct chemical composition. The outermost layer, the crust, is predominantly composed of silicon, oxygen, aluminum, iron, and magnesium, with types including continental and oceanic crust. The core is mainly made up of iron and nickel, while the mantle sits between the core and crust and consists of ultramafic composition with more iron and magnesium.
Learn more about layers of the Earth here:
https://brainly.com/question/12457832
