🎓 IB Exam Prep

The carbon cycle involves:

A Only animals
B The movement of carbon through the atmosphere, organisms, and Earth
C Only photosynthesis
D Only combustion of fossil fuels

✓ Correct Answer: Option B

The carbon cycle describes how carbon moves between the atmosphere, oceans, soil, and living organisms through processes like photosynthesis, respiration, decomposition, and combustion.

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