ESS
Grade-6
Easy
Question
Mantle is mainly made up of _______.
- Water
- Oil
- Carbon rocks
- Silicate rocks
The correct answer is: Silicate rocks
The correct option is d)Silicate rocks.
- The mantle is the mostly solid major part of the Earth's interior. The mantle lies between the dense, superheated core of the Earth and its thin outer layer, the crust.
- Most of the rocks that make up the Earth's mantle are silicates, a variety of compounds that share the structure of silicon and oxygen.
- Common silicates in the mantle are olivine, garnet, and pyroxene. The other major rock in the mantle is magnesium oxide.
- Other mantle elements are iron, aluminum, calcium, sodium and potassium.
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