Chapter 11, Problem 6CR

To determine

The key concept for the given section. The total amount of freshwater that is lost due to insufficient use and other causes in the World and in the United States and also provides the reasons for the loss. The methods of irrigation and ways to reduce the loss of water in irrigation. The plans to limit wastage of water in industries and homes, and the means to remove wastes by using less water. The term gray water and floodplain. The description of Sandra Postel’s efforts to educate humans about the issues related to water supply. Methods to reduce water usage and wastage. The human activities that increase the flooding problem and practices adopted by humans to reduce flooding.