Global Distribution And Size Of Major Stores Of Carbon

Question 1

What are the main stores of carbon?

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 releases.

Question 4

What is the biggest store of carbon?

Answer 4

Marine sediments and sedimentary rocks (100 million billion tonnes)

Question 5

What is the smallest store of carbon?

Answer 5

Terrestrial plants (560 billion tonnes)

Question 6

List from largest to smallest, the size of carbon stores.

Answer 6

Marine sediments and sedimentary rocks

Oceans

Fossil fuel deposits

Organic soil matter

Atmosphere

Terrestrial plants

Question 7

How much carbon do marine sediments and 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 so fossil fuel deposits hold?

Answer 9

4,000 billion tonnes

Question 10

How much carbon does organic soil 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