Across
- 2. gaseous mass surrounding the earth
- 6. water that flows along a surface directly into a waterway
- 7. process by which gas cools and becomes a liquid
- 8. product of the condensation of water vapor in the atmosphere that falls to the ground
- 10. a construction that collects and stores rainwater
- 13. Act in 1972 that focused on pollution control to protect waters
- 14. wearing away of soil by water, ice, or wind
- 15. when water can not flow through a surface
- 16. overflow of surface waters
- 18. man-made area planted with plants to collect and clean stormwater runoff
Down
- 1. pollution in water from urban landscapes
- 3. water from melted snow
- 4. area of land that directs water to waterways
- 5. evaporation of water from a plant's leaves, stems, or flowers
- 9. process of water soaking into soil
- 11. that collects or flows underground
- 12. gaseous phase of water
- 17. study of the earth's water