What are the three main layers of earth based on composition?

Answer 1

Physically, the Earth has numerous layers. Chemically, however, the solid portion of Earth can be divided into three distinct layers. In order from the surface going down, they are as follows: 1. The Crust--Major chemical constituents are oxygen, silicon, and aluminum. 2. The Mantle--Major chemical constituents are silicon, oxygen, iron, and magnesium. 3. The Core--Mostly iron and nickel. For additional information on the physicallayers of the Earth, click on the related link below.

Answer 2

Physically, the Earth has numerous layers. Chemically, however, the solid portion of Earth can be divided into three distinct layers. In order from the surface going down, they are as follows:

1. The Crust--Major chemical constituents are oxygen, silicon, and aluminum.

2. The Mantle--Major chemical constituents are silicon, oxygen, iron, and magnesium.

3. The Core--Mostly iron and nickel.

Answer 3

The three layers of the earth, based on the composition is the crust, the mantle, and the core.

Answer 4

crust

mantel

core

the three main layers

Answer 5

There are many ways we can categorize the layers of the earth.

Answer 6

Based on composition alone the three layers of Earth are the crust, the mantle, and the core.

Answer 7

what kinds of chemicals

Answer 8

Crust,inercore,outer core

Answer 9

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Answer 10

Lithosphere, asthenosphere , mesosphere , outer core , inner core