Global Distribution and Major Stores of Carbon

Question 1

In the lithosphere (the crust and uppermost mantle) carbon is mostly found in its…form in limestone and fossils fuels. However carbon is also found in its organic form in….., …. and….

Answer 1

Inorganic
Littler, organic matter, humid substances in soils

Question 2

Which is the greatest store of carbon out of the hydrosphere, biosphere, lithosphere and atmosphere

Answer 2

1) The lithosphere
2) Hydrosphere
3) Atmosphere
4) Biosphere

Question 3

Which is the smallest store of carbon out of the hydrosphere, biosphere, lithosphere and atmosphere

Answer 3

Biosphere

Question 4

What is peat

Answer 4

Dead but undecayed organic matter found in boggy areas

Question 5

The…is the greatest store of carbon and includes carbon stored in sedimentary rocks, marine sediments, fossil fuels and organic carbon

Answer 5

Lithosphere

Question 6

Which store contains over 99% of carbon

Answer 6

Lithosphere
This includes carbon found in sedimentary rock, marine sediments, fossil fuels and organic carbon

Question 7

In the…..carbon is stored in living organic matter such as fish, plankton and bacteria and is dissolved in oceans in the form of CO2

Answer 7

Hydrosphere

Question 8

What is the concentration of CO2 in the Earth’s atmosphere

Answer 8

0.04%

Question 9

What is the surface layer of the ocean called where sunlight penetrates so that photosynthesis can take place

Answer 9

Euphotic Zone

Question 10

Where are boreal forests (the Taiga biome) located

Answer 10

In the northern hemisphere e.g Canada and Northern Canada