Carbon Cycle

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Across
  1. 1. crystalline form of pure carbon
  2. 3. The steady movement of particles
  3. 5. the action of breathing
  4. 7. non-metal two main forms diamond and graphite
  5. 9. the sphere occupied by living organisms.
Down
  1. 2. the state or process of rotting or decaying
  2. 4. on fire
  3. 5. the emission of energy as electromagnetic waves
  4. 6. envelop of gases surrounding the earth
  5. 8. the action of one object hitting another