Across
- 3. we need them to survive
- 5. compacted form
- 6. the first word
- 8. something you drink
- 10. gas for dry ice
- 11. silver white metallic element
Down
- 1. how do you stay alive?
- 2. kills a plant
- 4. process by which leaves give off water vapor
- 7. 9 letter word staring and ending with E
- 9. how do you get clean water?