global distribution and size of major stores of carbon

Question 1

what are the main stores?

Answer 1

Lithosphere, Hydrosphere, Cryosphere, Atmosphere

Question 2

what is the definition of a “sink”?

Answer 2

a store that absorbs more carbon than it releases

Question 3

what is the definition of a “source”?

Answer 3

a store that releases more carbon than it absorbs

Question 4

what is the biggest store of carbon?

Answer 4

marine sediments and sedimentary rocks (100,000,000 billion tonnes)

Question 5

what is the smallest store of carbon?

Answer 5

terrestrial plants (560 billion tonnes)

Question 6

list from biggest to smallest the size of carbon stores

Answer 6

marine sediments and sedimentary rocks, oceans, fossil fuel deposits, soil organic matter, atmosphere, terrestrial plants

Question 7

how much carbon do sedimentary rocks hold?

Answer 7

100 million billion tonnes

Question 8

how much carbon do oceans hold?

Answer 8

38,000 billion tonnes

Question 9

how much carbon do fossil fuel deposits hold?

Answer 9

4,000 billion tonnes

Question 10

how much carbon does soil organic matter hold?

Answer 10

1,500 billion tonnes

Question 11

how much carbon does the atmosphere hold?

Answer 11

750 billion tonnes

Question 12

how much carbon do terrestrial plants hold?

Answer 12

560 billion tonnes