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.

C. The region’s water supply has been heavily polluted.

Water resources in the Middle East have been heavily polluted. There are not many sources of fresh water in the Middle East, and so not all people have equal access to water. there are a lot of polluting factories in the region, and those have contributed to pollutethe water supply.