What is the crust of the earth made out of?

Answer 1

Oxygen
Silicon
Aluminum
Iron
Calcium
Sodium
Potassium
Magnesium

The atmosphere, which is the outermost region of Earth, is primarily composed of nitrogen and oxygen, with trace amounts of argon, carbon dioxide, and water vapor.

The primary components of the rocky crust, which is located on Earth's outermost layer, are oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium.

The Earth's mantle, which is below the crust, is made up of minerals such as silicon, iron, magnesium, aluminum, and oxygen.

Finally, the Earth's core, which is nearly pure iron and nickel, is located deep within the planet.

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Answer 2

Luke Allen

Granite and basalt are two of the silicate rocks that make up the majority of the Earth's crust.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.