Which of the following best describes the action that is creating the rift valley in africa?

(a) the african plate is colliding with the aribian plate

(b) the afriacn plate is spreading apart to form two seperate plates

(c) the eurasian plate is converging with the afriacn plate

(d) the eurasian and aribian plates are diverging

Answerequatorial guinea,gabon, and western sahara;

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.