The outermost layer of earth is called the mantle.

What ocean lies to the north of both asia and north america

Most people can afford to spend approximately 2 ½ times their gross annual income for the purchase price of a home

Which are practical examples of how people in the developed world could make a big difference in how much water they use check all that apply a. use lightbulbs that use less electricity b. consider using a composting toilet that does not use water c. avoid using your telephone during peak hours d. do not read books