Earth Day

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Across
  1. 2. a rich soil-like material produced from decayed plants and other organic
  2. 4. any living thing, from bacteria and fungi to insects, plants, animals, and
  3. 5. the reduction of trees in a wood or forest due to natural forces or
  4. 7. a community of organisms that depend on each other and the
  5. 9. activity
  6. 10. the variety of life on this planet and how it interacts within habitats and
  7. 12. the mass of air surrounding the Earth
  8. 15. the increase in temperature of the Earth’s surface caused by human
  9. 16. they inhabit
Down
  1. 1. that cause high levels of carbon dioxide and other gases to be released into
  2. 3. air
  3. 6. the pattern of weather in a particular region over a set period of time
  4. 8. preserving or protecting animals and resources
  5. 11. it dirty or unhealthy
  6. 13. the introduction of harmful substances or waste into the environment,
  7. 14. such as food and animal waste, that breaks down naturally