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IB ESS HL 2.3.7 Fossil Fuels as Carbon Stores Question Bank

Explain fossil fuels as long-term carbon stores and the consequences of combustion.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • identify the relevant store, flow or process
  • trace matter through the biogeochemical cycle
  • evaluate the ecological or climate consequence of the change

2.3.7—Fossil fuels as carbon stores question 1

[Maximum number: 1]
Figure Carbon cycle

Figure Carbon cycle

Identify one carbon flow caused by human activities in Figure.

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