Environment for BTS recap

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Across
  1. 5. switch-off
  2. 6. Likes to chase mice
  3. 7. greenhouse effect
  4. 11. solar-energy
  5. 13. chemicals
  6. 16. bath
  7. 17. throw-away
  8. 18. Man's best friend
  9. 19. waste
Down
  1. 1. shower
  2. 2. Flying mammal
  3. 3. Has a trunk
  4. 4. glass
  5. 5. renwable-energies
  6. 8. be-green
  7. 9. Large marsupial
  8. 10. recycle
  9. 12. rubbish
  10. 14. dump
  11. 15. ozone-layer