Earth Day Crossword

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Across
  1. 4. the natural home or environment of an animal, plant, or other organism
  2. 5. the sun's rays as a source of energy from which power for domestic or industrial use may be generated
  3. 6. the envelope of gases surrounding the earth or another planet.
  4. 8. use again
  5. 9. trash, such as paper, cans, and bottles, that is left lying in an open or public place
Down
  1. 1. able to be maintained at a certain rate or level
  2. 2. maintain (something) in its original or existing state
  3. 3. a system comprised of all the living organisms in a particular area
  4. 7. no longer in existence
  5. 10. the surroundings or conditions in which a person, animal, or plant lives or operates