Carbon Cycle

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Across
  1. 1. Formed when carbon dioxide dissolves in water, known in the form of its salts and esters
  2. 4. Process by which the surface of the earth is worn away by the action of water, glaciers, winds, waves, etc
  3. 9. A change in form from one stage to the next in the life of an organism
  4. 11. A flammable gas obtained from natural gas
  5. 14. Movement of gases occurring both from the atmosphere into the oceans nd from the oceans into the atmosphere
  6. 17. Any organism capable of caring for itself by using inorganic materials as a source of nutrients
  7. 18. The matter that settles to the bottom of a liquid
  8. 19. Name for carbon held within the soil
Down
  1. 1. A white powder, mainly used for cleaning teeth or cement
  2. 2. Releases energy captured and stored within the plant
  3. 3. An organism requiring organic compounds for its main source of food
  4. 5. A change in the earths climate
  5. 6. Fossil composed of primarily carbon
  6. 7. Process which carbon dioxide, water, and organic salts are converted into carbs
  7. 8. Any combustible organic material, as oil, coal, or natural gas, derived from the remains of former life
  8. 10. The part of the earths crust that supports life
  9. 12. To clear forests or trees
  10. 13. When an organism dies and is broken down into the soil
  11. 15. Heating caused by short-wave solar radiation being readily transmitted inward through the earth's atmosphere
  12. 16. A gas in the atmosphere and formed during respiration from carbs
  13. 20. Organic matter used as a fuel for plants