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| 1. |
What is a mantle portion |
| Answer» \tThe portion of the interior beyond the crust is called the mantle.\tIt is in a solid state.\tIt has a density higher than the crust portion.\tThe thickness ranges from 10-200 km.\tThe mantle extends from Moho’s discontinuity to a depth of 2,900 km.\tThe asthenosphere is the upper portion of Mantle.\tIt is the chief source of magma that finds its way to the surface during volcanic eruptions.\tThe crust and the uppermost part of the mantle are called lithosphere. | |