The Spheres of the Earth: Biosphere and Atmosphere Key Words

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Across
  1. 2. producer
  2. 3. decomposer
  3. 6. atmosphere
  4. 7. nitrogen
  5. 8. greenhouseeffect
  6. 10. consumer
  7. 11. ozone
  8. 12. oxygen
Down
  1. 1. barometer
  2. 2. photosynthesis
  3. 4. airpressure
  4. 5. fossilfuels
  5. 9. carbondioxide