Earth day crossword

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Across
  1. 2. A fertilizer made from organic materials.
  2. 5. Something that can be made new again.
  3. 6. To not use much of something.
  4. 9. The gases that surround and protect Earth.
Down
  1. 1. A species that does not exist anymore.
  2. 3. Energy that comes from the sun.
  3. 4. To keep and protect something.
  4. 7. One of the gases surrounding Earth that blocks UV-B light.
  5. 8. A place that garbage is put.
  6. 10. The place where an animal species lives.