How might you ask for 1/10 of a liter of water?

Which of the following areas has the highest population density?

According to the sector model, in which region or regions would you most likely find industrial and transportation development?

Most of the volcanic activity that occurs in the ring of fire is a result of the a. formation of mantle plumes away from plate boundaries. b. subduction of one plate under another. c. movement of two plates away from each other. d. sliding of one plate past another.