Carbon Cycle #1

Photosynthesis transfers carbon from the ________ store to the biomass store

• atmospheric

• ocean

• sedimentary rock

Diffusion is the....

• transfer of carbon between oceans and ocean sediment

• transfer of carbon between atmosphere and land

• transfer of carbon between atmosphere and oceans

Carbon sequestration captures carbon from the atmospheric store by...

• photosynthesis

• respiration

• diffusion

• human carbon capture

The global carbon cycle is a ________ system

• closed

• open

Where is 99.9% of carbon stored?

• atmosphere

• sedimentary rock

• oceans

• terrestrial biomass

How long is carbon stored in the sedimentary rock store?

• 10 million years

• 150 million years

• 200 million years

• 4000 million years

What is an example of an open system in the carbon cycle?

• Global carbon cycle

• Forest ecosystem

Which store contains the least carbon?

• atmosphere

• sedimentary rock

• oceans

• soils

Carbon fixation is where carbon is converted to organic carbon by...

• living biomass

• oceans