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what elements make up most of the mantle?


Sagot :

Earth's crust is made up of several elements: iron, 32 percent; oxygen, 30 percent; silicon, 15 percent; magnesium, 14 percent; sulfur, 3 percent; nickel, 2 percent; and trace amounts of calcium, aluminum and other elements. The crust is divided into huge plates that float on the mantle, the next layer.

mantle is composed of the following elements- iron magnesium, aluminum and silicon and trace amounts of calcium and oxygen