Instructions: Identify below whether it is a physical, marine, biological or nonextractive resource.
Write your answer in the space provided.
1. Corals ________________________
2. Ocean Surfing ________________________
3. Thermal Energy ________________________
4. Sand and gravel ________________________
5. Tidal Energy ________________________
6. Sailing ________________________
7. Sea foods ________________________
8. Petroleum ________________________
9. Wave energy ________________________
10.Manganese Nodule ________________________