Earth Day

Edit Answers
1234567891011121314
Across
  1. 3. activity
  2. 4. air
  3. 5. the pattern of weather in a particular region over a set period of time
  4. 6. they inhabit
  5. 7. the introduction of harmful substances or waste into the environment,
  6. 10. the increase in temperature of the Earth’s surface caused by human
  7. 11. the variety of life on this planet and how it interacts within habitats and
  8. 14. the mass of air surrounding the Earth
Down
  1. 1. preserving or protecting animals and resources
  2. 2. that cause high levels of carbon dioxide and other gases to be released into
  3. 8. any living thing, from bacteria and fungi to insects, plants, animals, and
  4. 9. it dirty or unhealthy
  5. 12. the reduction of trees in a wood or forest due to natural forces or
  6. 13. a community of organisms that depend on each other and the