What is your prediction of the growth of the world's population? At what point - if any - will it stop growing, and why do you feel this way? Is there anyone that we studied who feels the way you do?

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.

A