Where is the sun's energy produced? a. just below the sun's surface b. the sun's surface c. the sun's core d. none of these

Which of the following is not a place where hydrogen can be found on earth? a. natural gas well b. atmosphere c. water d. mine

Ineed to draw a simple map of oil where can be found on the map.

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