Which of the following statements about water resources in the Middle East is true? A. Most of the region’s water is used by factories. B. All people across the region have equal access to clean water. C. The region’s water supply has been heavily polluted. D. There are a lot of renewable freshwater resources in the region.

All of the following statements about the biosphere are true except: a. light and heat from the sun do not affect the biosphere. b. the biosphere gets resources from earth's crust, hydrosphere and atmosphere. c. like "biology", the name for the biosphere comes from the greek word for life. d. the biosphere includes all living organisms on earth's surface.

People make choices about how to use resources.

What are some of the impacts of humans on the earth?