9Ae

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