Question

Question 21 of 26

Earth's mantle is composed mostly of which materials?
A. A fluid called gabbro, as well as iron and granite
B. A very dense rock called peridotite, as well as iron and sulfur
C. A fluid called peridotite, as well as water and sulfur
D. A very dense rock called gabbro, as well as carbon and silicon
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Answer 1

The Earth's mantle is composed mostly of peridotite, which contains iron and sulfur.

Step-by-step explanation:

The Earth's mantle is composed mostly of a very dense rock called peridotite, which contains high levels of the minerals iron and sulfur. Peridotite is also rich in magnesium and is the main rock type of the Earth's upper mantle.

Learn more about Composition of the Earth's mantle