Across
- 2. large areas covered with trees
- 5. low land between mountains or hills
- 6. narrow water passage
- 8. a piece of land sorrounded by water
Down
- 1. a large land mass
- 3. salt water that covers much of the Earth
- 4. a small low island
- 7. a natural elevation of the Earth's surface
- 9. a man-made barrier that retains water, forming a reservoir for water supply