Weathering, Soil, Water Resources Key Concepts
- Soil is formed from the weathering of rocks and organic activity.
- Karst topography is developed in areas underlain by carbonate rocks, including limestone and dolomite.
- A substantial amount of water is stored in permeable soil and rock underground.
- Earth's fresh water supply is finite.
- Water is continuously being passed through the hydrologic cycle.
- Fresh water is necessary for survival and most human activities.