Rewards Review lessons 1-9

1234567891011121314151617
Across
  1. 1. something very old
  2. 4. the act of making something free of bacteria
  3. 5. something that has to do with microbes
  4. 11. methods of doing things
  5. 13. causes illness or death if put into the body
  6. 14. the natural world in which an organism lives in
  7. 16. to do this instead of something else
  8. 17. badly or to an intense degree
Down
  1. 2. mixture of ingredients
  2. 3. an unpleasant environment
  3. 6. something is spoiled or impure
  4. 7. a public disagreement
  5. 8. when you combine foods or substances
  6. 9. a sour liquid
  7. 10. to keep something from someone
  8. 12. food decay
  9. 15. to remove water from something