Introduction to the carbon cycle- definitions, etc

Question 1

carbon stores (main ones)-

Answer 1

the main stores of carbon are the lithosphere, hydrosphere, cryosphere, atmosphere and biosphere

Question 2

carbon sink definition

Answer 2

a store that ABSORBS MORE THAN IT RELEASES

Question 3

carbon source definition

Answer 3

a store that RELEASES MORE CARBON THAN IT ABSORBS

Question 4

carbon transfer definition

Answer 4

these are processes that transfer carbon between the stores eg photosynthesis takes carbon from atmosphere into plants

Question 5

what does GtC stand for

Answer 5

a gigatonne of carbon dioxide

Question 6

anthropogenic co2 definition

Answer 6

carbon dioxide generated by human activity

Question 7

greenhouse gas definition

Answer 7

any gaseous compound in the atmosphere that is capable of absorbing infrared radiation - trapping heat in the atmosphere

Question 8

lithosphere definition

Answer 8

the crust and uppermost mantle

Question 9

weathering definition

Answer 9

the breakdown of rocks in situ by a combination of weather, plants and animals

Question 10

biosphere definition

Answer 10

the total sum of all living matter

Question 11

carbon sequestration definition

Answer 11

the capture of co2 from the atmosphere or capturing anthropogenic co2 and putting it into long term storage

Question 12

what is the largest carbon store

Answer 12

marine sediments and sedimentary rocks