Rocks (Option C) are abiotic resources.
Abiotic vs. Biotic:
- Abiotic resources are non-living resources, such as minerals, rocks, and water. These do not arise from living organisms.
- Biotic resources come from living organisms, such as livestock (Option A), natural vegetation (Option B), and fish (Option D).
- Rocks, which are non-living, are classified as abiotic resources.