Most of the killer earthquakes and volcanos of the Ring of Fire are caused by the
movement of tectonic plates called

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

Which water sources contribute to a river system? check all that apply. groundwater lakes rivers streams watersheds

Which of the timelines above correctly shows the order of historical events on the african continent? a. one (1) b. two (2) c. three (3) d. four (4)