The answer that follows is good enough for personal knowledge or school students. Anyone higher than this should do read the Mantle page on wikipedia.
Reference : NET
The main element is oxygen.
The main compound is silicon dioxide. (Si02)
the composition of the mantle is peridotite
The 3 main layers of earth (crust, mantle, core) are divided into crust, upper mantle, lower mantle, outer core, and inner core.
The mantle is made of ultramafic igneous rock.
i dont now
peridotite
it is dead bodies
Earths mantle is less dense and very hot. The mantle is 2885km thick.
core mantle crust
mantle
The composition of the moon mostly resembles the Earth's mantle.
hard rock
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