What causes the movement of plate tectonics? a. Ocean waves
b. Divergent plates
c. Convection
d. The sun

Gemstones are commonly found in pegmatites, which are igneous rocks that are a. exceptionally mafic b. exceptionally coarse grained c. exceptionally fine grained d. extrusive, forming from lava

Asap will mark geography final plz ! what are the benefits of international aid? (give me the right evidence )

Islam and the arabic language spread throughout north africa in the 600s primarily through a. african traders b. american colonists c. european explorers d. middle eastern armies select the best answer from the choices provided