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## Water and its Spatial Distribution ### States: * **Solid:** freezes at cold temperatures * **Liquid:** flows freely, set shape but no fixed volume * **Gas:** boils, steam ### Water Sources Water is not evenly distributed on Earth's surface. It can move from one store to another. * **Freshwate...

## Water and its Spatial Distribution ### States: * **Solid:** freezes at cold temperatures * **Liquid:** flows freely, set shape but no fixed volume * **Gas:** boils, steam ### Water Sources Water is not evenly distributed on Earth's surface. It can move from one store to another. * **Freshwater:** used directly) * **Glaciers, rivers, lakes:** large masses of ice that rest on land/float in the sea * **Saltwater:** oceans * **Large masses of water connected to one another, largest: Pacific** * **Found below the surface of Earth** * **Loose topmost layer of Earth's surface** * **Soil, groundwater** ### Resource Management * **Human-centered:** 'obtain materials for own use' * **Nature-centered:** 'valuable in itself' Ensuring natural resources are still available for future generations. ### Sustainable Use of Resources 1. Reuse 2. Reduce 3. Recycle 4. Recover 5. Refuse