Ck 12: Life Science: Preserving Water Sources

[Free Registration/Login may be required to access all resource tools.] It might seem like there is plenty of water on Earth, but that's not really the case. Water is a limited resource. That means that it is used faster than it is replaced. Theoretically, at some point in time, the supply of fresh water could run out. Learn more about preserving water sources in this learning module produced by CK-12.