How is continental crust different from oceanic crust? a. oceanic crust is thicker and more dense than continental crust. b. oceanic crust is thicker and less dense than continental crust. c. oceanic crust is thinner and more dense than continental crust. d. oceanic crust is thinner and less dense than continental crust.

Use your vocabulary words to complete the sentences below. more of the world's population is now concentrated in heavily populated urban areas known as a this is quite a contrast from the past when or native groups were either farmers or — hunters and gatherers who moved between places in search of food. advanced technology has led to the integration of world economics and cultures, in the world's more developed countries. this integration requires , the responsible use and management of natural resources.

People make choices about how to use resources.

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