Across
- 3. Plain border area around rivers
- 5. draining of water on the surface
- 6. an area of land that drains into the same water location
- 8. a smaller stream that feeds into a larger river
- 9. a substance used for destroying insects
- 10. allows liquid to pass-through
- 11. Activity area of human activity due to factors or manufacturing areas
Down
- 1. underground area that contains groundwater
- 2. water held underground
- 4. Divide a ridge or higher ground that separates watersheds
- 7. basin the area where rivers and tributaries drain all of the water
- 10. full of holes and can absorb liquid