Rain Water Harvesting & Terrariums

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Across
  1. 4. We collect rainwater instead of wasting it. This is rainwater ________.
  2. 5. Plants drink this
  3. 7. Hidden Underground parts of plants.
  4. 9. Cleans rainwater before it is stored
  5. 11. Stores collected rainwater
  6. 12. Plants grow in this.
Down
  1. 1. A green carpet-like plant
  2. 2. Terrariums need this to survive
  3. 3. Plants need this to make food
  4. 6. Rainwater often lands here first.
  5. 8. Flowers and vegetables grow here
  6. 10. A tiny garden inside a container