B2(i) - Life Processes 12.

The Carbon Cycle.

All the nutrients in our environment are constantly being recycled - there's a balance between what goes in and what goes out again. 

The Carbon Cycle Shows How Carbon is Recycled.

1) There's only one arrow going down from the atmosphere. The whole thing is powered by photosynthesis. CO2 is removed from the atmosphere by green plants and used to make carbohydrates, proteins …