Only 5 percent of the ocean
- Only 5 percent of the ocean has been discovered
- Only 5 percent of the ocean has been explored
- Why is only 5 percent of the ocean discovered
- We only know 5 percent of the ocean
- Why is only 5 percent of the ocean explored
- Why have we only explored 5 percent of the ocean
- Why have we only discovered 5 percent of the ocean
- The 5 oceans
- Ocean text