Nature

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Across
  1. 5. it can erupt
  2. 6. you have to drink it
  3. 8. it's hot
  4. 9. you need it
Down
  1. 1. +
  2. 2. it's short and green
  3. 3. it's colorful
  4. 4. it's tall
  5. 7. it's green