Save Our Earth!

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Across
  1. 3. EARTH- The planet we live on (5 letters )
  2. 4. CLEAN- Not dirty; the opposite of polluted (5 letters)
  3. 6. Do not waste, ______ resources (4 letters)
  4. 7. SOLAR- Energy from the sun (5 letters)
  5. 9. Use again instead of throwing (5 letters)
Down
  1. 1. Move air to make electricity (5 letters)
  2. 2. Keep things safe and not dirty (5 letters)
  3. 5. WASTE- Trash or garbage (5 letters)
  4. 6. Power we use at home (6 letters)
  5. 8. WATER- We drink this and must not waste it (5 letters)