Usually they form when two plates crash into each other (like the himalayas and the rockies), pushing up the rock. They also can form when magma spews out of the earth and cools, like in the case of Hawaii.
a big hill that is carved bye weathering
they give us mountins
they were formed when underwater vocaneoes erupted and formed the hawaiin islands
it is formed by a glacier
it cannot be formed
its formed by a occulded front
colorado was formed by two erupting mountins i think ? :D
The Appalation mountins
mountains
Yes.
mountins
Yes
Northern Africa.
999
None
Rockey
West
they give us mountins