Carbon Cycle - Global Scale Flashcards

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1
Q

what is a carbon sink?

A

Store taking in more carbon than it emits

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2
Q

What is a carbon source?

A

Store that emits more carbon than it takes in

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3
Q

Carbon stores in order of size?

A
  • sedimentary rocks (66,000-1million billion tonnes)
  • oceans (38 billion)
  • fossil fuels (4000billion)
  • soil (1500 billion)
  • atmosphere (750 billion)
  • plants (570 billion)
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