What must be done so humans can drink earths liquid water?

Which statement is false regarding ozone can affect the lungs and respiratory system? Which field of science uses DNA testing to help identify criminals? What is the shape of some volcano? What is the max amps for 0 gauge wire? What is the best insect repellent? Number of moles and number of atoms in a 214 gram sample of silver? What part of the cell membrane and store energy? What are the cations in the compound CrOH3? What causes the stress in the Earth's crust? How does the storm move? Is the Tropic of Capricorn north or south of the Equator? Is the meter a system of measurement based on units of 10? What is myotabolism? The Five was a group of nationalist composers who sought to incorporate elements of in their work.? How is one type of fault distinguished from another? What is 2500cm in km? What happens in a low pressure area? How do you rotate picture in mac? How many moles are in 3.91 x 10 to the 25 molecules of carbon dioxide? Is carlisle the 69th biggest city in the world?