Across
- 2. Like a bathtub. In both, the water runs off into one central place.
- 3. Salt water, the biggest bodies of water on the planet
- 6. materials that are thrown away and can not be used any more
- 7. When someone puts waste in a place that is not the garbage can
- 9. A word that describes the health of water and starts with a q
- 10. Water flowing over land after a storm
- 12. A habitat where alive and dead things interact in a system
Down
- 1. Contaminants created by humans through science
- 4. Something that in the past was clean, but now it is dirty
- 5. Naturaleza
- 8. Rio
- 11. The same liquid that is in rivers, oceans, seas, and streams