The two main factors that determine
the climate of a region are
A. altitude and pressure
B. precipitation and temperature
C. altitude and temperature
D. pressure and temperature

Answer (true);

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.