Missouri Standards
MO.5. Processes and Interactions of the Earth's Systems (Geosphere, Atmosphere, and Hydrosphere)
5.3. Human activity is dependent upon and affects Earth's resources and systems
5.3.A. Earth's materials are limited natural resource's affected by human activity
5.3.A.b. Scope and Sequence - Earth's Resources: Describe the affect of human activities (e.g., landfills, use of fertilizers and herbicides, farming, septic systems) on the quality of water