1. The Arctic Ocean is very shallow.

2. Timbuktu is an important port on the Atlantic Ocean.

3. A reef is a feature of the ocean.

4. More of the world’s oceans lie south of the equator than north of it.

5. The deepest spot in the Atlantic Ocean is the Puerto Rico Trench.

6. The Atlantic Ocean has the world’s deepest water.

7. The Indian Ocean is the world’s second-largest.

8. The Gulf Stream flows in the Atlantic Ocean.

9. The Pacific Ocean is the world’s largest.