Consider a situation where a C₃ plant is placed in an environment with high oxygen concentration and high temperature. What would be the likely impact on its carbon fixation efficiency?
- AIncreased efficiency due to enhanced O₂ availability.
- BDecreased efficiency due to enhanced photorespiration.
- CNo significant change, as photorespiration is negligible in C₃ plants.
- DIncreased efficiency due to increased enzyme activity.
✓ Correct answer: B
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