Biology · May / June 2019 · Paper 11 · Question 30
5090Nutrient cycles
The diagram shows part of the carbon cycle. [diagram: CO2 in the atmosphere, fuel, green plants, dead organisms, animals, feeding, respiration, X, Y] What are the processes X and Y?
- Aphotosynthesis; decomposition
- Bphotosynthesis; excretion
- Crespiration; photosynthesis
- Drespiration; respiration
As printed in the paper
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Correct answer: D. respiration; respiration
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