chapter 7

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Across
  1. 5. having a tendency to react chemically
  2. 9. biological substance that poses a threat to living organisms
  3. 11. induction of permanent transmissible changes in the amount or structure of the genetic material of cells or organisms
  4. 12. a combustion or burning in which substances combine chemically with oxygen from the air
  5. 13. the removal or clearance of a person or place
  6. 18. the act of sending or receiving information
  7. 19. able or likely to shatter violently or burst apart
Down
  1. 1. easily set on fire
  2. 2. the study of people's efficiency in their work environment
  3. 3. a substance that causes slight inflammation or other discomfort to the body
  4. 4. ability to oxidize other substances
  5. 6. a highly reactive substance that causes obvious damage to living tissue
  6. 7. to cease fire or burning
  7. 8. a substance able to cause cancer in living tissue
  8. 10. the condition of being protected from or unlikely to cause danger, risk or injury.
  9. 14. any psychoactive compound with numbing or paralyzing properties
  10. 15. containing or being poisonous material especially when capable or causing serious injury or death
  11. 16. a danger or risk
  12. 17. instruction or training