Across
- 2. someones living space and surroundings
- 4. to make a copy of something
- 5. money made above cost
- 7. how plants make energy
- 11. to become more advanced
- 12. no longer alive
- 14. farming to avoid harming the environment
- 16. to stalk for food
- 18. wheat, rice , or other things grown on a farm
Down
- 1. respiration or the opposite of photosynthesis
- 3. a variable that slows down the rate
- 6. c6h1206
- 8. 02
- 9. set of standards to judge
- 10. long range weapon with a blade on a long stick
- 13. ancient elephants
- 15. green colored substance in plants
- 17. to slowly fade away