Earth Day

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Across
  1. 1. Melting polar feature.
  2. 5. Reusable water ___.
  3. 9. “Earth’s lungs”.
  4. 11. Natural gas that contributes to global warming.
  5. 14. energy from moving air.
  6. 15. Melting ice can cause sea level __.
Down
  1. 2. The gradual warming of Earth.
  2. 3. Material made from trees.
  3. 4. What trees absorb.
  4. 6. Process by which plants make food using sunlight.
  5. 7. Famous frog who said, “It’s not easy being ___".
  6. 8. The third planet from the sun.
  7. 10. Best office plant for people who forget to water.
  8. 12. Percentage of the Earth's surface covered by water.
  9. 13. April 22 celebration for our planet.