Across
- 3. water located on top of the earths surface
- 6. an area or ridge of land that separates water
- 7. the water found underground in soil.
- 9. the surrounding in which a person, animal, or plant lives or operates.
- 10. sudden, natural or man-made, situations where change and destruction occurs
- 12. the presence in or introduction of a harmful or poisonous substance into the environment.
Down
- 1. the various actions for recreation, living, or necessity done by people
- 2. a biological community of interacting organisms and their physical environment.
- 4. underground layer of water-bearing permeable rock
- 5. a global, interconnected system that has regions, or basins
- 8. a group of individuals of the same spices living and interbreeding within an area
- 11. excess water draining away from land or buildings