Quinton is printing a 3D model of the Basin and Range part of the western US. In three to five sentences, explain how the valleys and mountain ranges formed.

Can you give me little more information

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.

Ca mega city if i’m not mistaken

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