Question

how does a perm Mantle differ from the lower Mantle​

Answer 1

The mantle of the Earth is approximately 2,800 km in thickness in total — including both the upper and lower mantle. The upper mantle is made of olivine, pyroxene, and other crystalline minerals, while the lower mantle consists of silicon, magnesium, oxygen — it probably contains iron and other

Answer 2

There are very small differences between the two layers. The upper mantle has Olivine (a very special rock), compounds with silicon dioxide, and a substance called Peridotite. The lower mantle is more solid than the upper mantle.



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