carbon cycle Flashcards

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1
Q

what is carbons role (3)

A
  • ingredient in living tissue
  • important component of animal skeletons (CaCO3)
  • important component of the atmosphere (CO2)
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2
Q

how does carbon enter the atmosphere (4)

A
  • volcanoes/forest fires
  • respiration by animals and plants (at night)
  • decomposition of waste by decomposers
  • burning fossil fuels
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3
Q

what is carbon taken up by (3)

A
  • photosynthesis
  • formation of fossil fuels from dead plant life
  • shells and skeletons which make carbonic rock
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