IB ESS HL 2.3.3 Carbon Stores Question Bank
Identify major carbon stores and compare their relative roles in the carbon cycle.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Identify major carbon stores and compare their relative roles in the carbon cycle.

Figure Carbon cycle
Identify one inorganic carbon storage in Figure.
atmosphere / soils / (surface/intermediate \& deep) ocean / fossil fuels / (Earth's) crust / river / rock / volcanoes;
Note: Do not credit plants / animals / vehicles / industry or flows