Carbon Cycle - Global Scale Flashcards
1
Q
what is a carbon sink?
A
Store taking in more carbon than it emits
2
Q
What is a carbon source?
A
Store that emits more carbon than it takes in
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)