Unit 1

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Across
  1. 1. We breathe this
  2. 5. The ocean is made out of this
  3. 6. Harmful materials in the environment.
  4. 8. A social unit.
  5. 9. Free from dirt, marks, or stains
  6. 11. Worried about something
  7. 15. Our planet
  8. 16. Synonim for painful
  9. 17. A sickness
Down
  1. 2. The effects of something
  2. 3. This is related to trees
  3. 4. The amount of something available
  4. 7. The aspect of existance of something
  5. 10. Same as ocean
  6. 12. When people get too much fish from the sea
  7. 13. Synonim for weather
  8. 14. Physical and mental well being