Across
- 1. A deep narrow vally with steep sids
- 3. Land that is much higher then its surroundings;larger than a hill
- 5. A pice of land complitly surround by water
- 6. A coral reef in the shape of a ring or a horseshoe
Down
- 2. A group of islands made up of the crests of an underwater mountain range
- 4. A raised part of the earths surface hills are smaller then mountens