Carbon Cycle and Energy Security 6.2

Biological carbon is carbon that is stored in biomass and soils, as well as marine animals such as corals.

• FALSE

• TRUE

What model is this?

• thermohaline circulation

• carbon pump

• ocean current model

• hydrohaline circualtion

This is the oceanic carbon pump. How does carbon move through the biological carbon pump?

• downward towards oceanfloor

• horizontally

• through upwelling

In the oceanic carbon pump. How does the carbon move in the physical pump.

• downwards towards the ocean floor

• horizontally

• through upwelling

What determines the capacity of soil to store organic carbon?

• climate

• soil type

• use of soil

• All of them

What are the stages in terrestrial carbon being returned to the atmosphere?

• photosynthesis-transpiration-decay

• photosynthesis-nutrient recycling

• photosynthesis-transpiration