nature

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Across
  1. 4. that's a 'special room' which is not a plant or an animal
  2. 5. the earthworm lives there
  3. 6. frozen river
  4. 9. this animal has a 'spiky coat'
  5. 10. you can see this colourful thing on the sky after raining
  6. 12. it comes from a volcano
  7. 13. bear's home
Down
  1. 1. you can ride on it
  2. 2. the ship of the desert
  3. 3. it can be folded or faulted
  4. 4. as poor as the church...
  5. 5. a little river
  6. 7. the most diligent animal (eager ...)
  7. 8. a trigger mammal, it has got red fur
  8. 11. one ... a day keeps the doctor away