Across
- 5. Make up 97% of the Earth's surface
- 7. When these erupt, they can cause new land to form.
- 8. These landforms are much higher than the land around them.
Down
- 1. Only 1% of this water is drinkable.
- 2. These are very deep valleys that are often carved from the Earth by river.
- 3. This is a low area found between two mountains.
- 4. Body of land completely surrounded by water
- 6. This landform is formed underground when water wears away rock.