mountains

6. plant native to mountain districts, often suitable for growing in rock gardens.
8. or other liquid diffused in a small quantity as vapor, within a solid, or condensed on a surface
10. water vapor frozen into ice crystals and falling in light white flakes or lying on the ground as a white layer.
11. opening in the earth's crust through which molten lava, ash, and gases are ejected.
12. considered collectively, esp. those found in a particular area or habitat
13. an almost vertical slope or pitch, or a relatively high gradient.
14. surface of which one end or side is at a higher level than another.
15. in or formed by nature
16. degree or intensity of heat present in a substance or object
19. highest point or part.
20. group of mountains.

1. member of a people of Tibetan stock living in the Nepalese Himalayas, who often serve as porters on mountain-climbing expeditions.
2. caused by the lifting of moist air over a mountain barrier.
3. direction that a mountain is facing.
4. The two sub-layers of the earth's crust that move, float, and sometimes fracture and whose interaction causes continental drift, earthquakes, volcanoes and mountains.
5. mountain consisting of a block or blocks bounded by normal faults in the earth's crust.
7. mountain consisting of a block or blocks bounded by normal faults in the earth's crust.
9. outline of something between the earth and sky.
17. height of an object or point in relation to sea level or ground level.
18. trees are able to grow up to on a mountain.