Across
- 3. the reason gyres rotate weirdly
- 5. the saltiness and density of water
- 8. plastic and fertilizer can be this
- 9. the moon causing the water to rise and fall
Down
- 1. a long, deep depression in the ocean floor
- 2. a force that pulls downwards
- 3. how water flows in the ocean
- 4. heats the moon and causes tides
- 6. a force that causes tides, unexpressly
- 7. A spherical object that causes tides