Climate change

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Across
  1. 2. Are places were there are not trees.
  2. 6. We need to change this to help the planet.
  3. 8. The trees produce it.
  4. 9. Is a piece or block of cold water.
  5. 11. Is a gas that all humans take out of the lungs.
  6. 14. Is the set of many ecosystems.
  7. 16. Is something important to the humans that they need to live.
  8. 17. Some of them are toxic and others don't.
  9. 20. Is a cap that protect us of the sun.
Down
  1. 1. A period when it doesn't rain.
  2. 3. The name of the planet we live.
  3. 4. Is a big piece of ice.
  4. 5. Are some structures that are finishing the world.
  5. 7. Is a synonym of weather.
  6. 10. They produce oxygen.
  7. 12. We can also have it thanks to the sun.
  8. 13. You can use it to reduce the climate change.
  9. 15. The temperature about 0°C.
  10. 18. Is a type of gas that take take factories.
  11. 19. Thanks to this we have light all the day.