ala bala

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♥ Earth layers - sciencephoto.com

CRUST: Oceanic & Continental (about 3 to 50 miles thick), plus The Mohorovicic Discontinuity = (The Lithosphere: solid) Mantle: a) The Upper Mantle, magma molten rock, b )The Lower Mantel (about miles thick degrees F) = Asthenosphere (Fl