Carbon Cycle

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Across
  1. 4. building cities where vegetation and forests once were
  2. 7. process that consumers use to react glucose and oxygen to produce water and release carbon dioxide
  3. 10. all of the rock at and below Earth's surface
  4. 11. remains of organisms that have been buried, undergone major heat and pressure that have become either coal, oil or natural gas
  5. 12. when a biotic organisms decomposes; releases carbon dioxide into the atmosphere
  6. 13. process of greenhouse gases surrounding Earth trapping the Sun's heat in the atmosphere
  7. 14. elimination of forest and vegetation in an area
  8. 15. what is the main source of releasing carbon into the atmosphere?
  9. 17. preserved remains of an organism that has been trapped with its carbon in rock or petrified form
  10. 18. what is put into the ocean, causing a drastic change in salinity and density when a glacier melts?
  11. 20. what are responsible for moving warm water around the Earth?
Down
  1. 1. what is the largest carbon sink?
  2. 2. consists of all life on Earth, underground and in the atmosphere
  3. 3. living things that eat other living things
  4. 5. process that producers use to react carbon dioxide and water to produce glucose and release oxygen
  5. 6. asteroids hitting the Earth would cause melted rock and also a large dust cloud that would block sunlight and cause Earth's temperatures to _________?
  6. 8. living things that make their own food through photosynthesis
  7. 9. when a volcano erupts, carbon dioxide and ash get __________ into the atmosphere
  8. 16. a thin layer of gases surrounding Earth
  9. 19. more greenhouse gases will cause Earth's temperatures to become __________ over time