Which ecological cycle is directly driven by sunlight?
Correct answer: C. Hydrologic
- A. Nitrogen
- B. Phosphorus
- C. Hydrologic
- D. Sulphur
Explanation
The hydrologic cycle is directly powered by solar energy, which evaporates water and drives atmospheric circulation and precipitation. The phosphorus cycle has no significant atmospheric phase and is not directly solar-driven in this sense.
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