Biology · Oct / Nov 2020 · Paper 11 · Question 30
5090Nutrient cycles
The diagram shows the carbon cycle. [diagram: carbon dioxide in the atmosphere; fossil fuels; animals; plants; dead and decaying animals and plants; arrows labelled X] What is process X?
- Aburning
- Bdecomposition
- Cphotosynthesis
- Drespiration
As printed in the paper
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Correct answer: D. respiration
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