Across
- 3. They have rounded features and low elevation
- 5. one of the oldest fold mountain systems
- 8. mountains arranged in a line
- 9. In pacific ocean, it is an undersea mountain
Down
- 1. permanently frozen river of ice
- 2. The lowered blocks are called
- 4. An elevated flat land
- 6. uplifted block of land
- 7. The plants of a particular area
- 10. mountain range of South America
