Mountains

3. the flat land that lies between two lines of mountains or areas of higher ground, and which often has a river flowing through it.
5. the pointed top of a mountain.
7. a piece of ground that has one end higher that the other, like the side of a hill.
9. a high area of land that is not as high as a mountain.
10. producing the result that you want.
12. a mass of ice that moves slowly across the land.

1. rising or falling quickly, not gradually.
2. a set of events in which in water that falls from clouds as rain or snow lands on the ground or in oceans, lakes, etc.
4. range a line o mountains.
6. the height of something above sea level.
8. a flat area of stone next to a house, restaurant, etc., where people can eat, sit in the sun, etc.
11. a substance made of very small drops of liquid which hang together in the air like a cloud.