Across
- 2. Begins at the top of a mountain and empties in the sea
- 3. Low lying area between Hills and Mountains.
- 4. Piece of land completely surrounded by water.
- 5. Much taller than Hills
Down
- 1. Land that rises above but is below 300 meteres.
- 3. Vents in the earth's crust that erupt gas, lava or mud
- 5. Portion of ocean partly surrounded by land
