arid regions are defined as areas receiving very low annual precipitation. where are the world’s arid regions found today?

Avertical or horizontal line used in graphs is called a(n) equatorhope this

Answer were lower;

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.