Across
- 2. to move with a jolting rhythm
- 5. a natural flowing watercourse
- 6. a hollow place inside the earth
- 9. it is surrounded by water
- 10. a meal eaten outdoor
- 12. a growth of trees and other plants
Down
- 1. an elevated portion of the Earth's crust
- 3. a journey made on foot which is usually arduous
- 4. a place full of sand and pebbles on a shore
- 7. to go on an extended walk for pleasure
- 8. a semiaquatic egg-laying mammal
- 11. the wormlike larva of a butterfly or moth.