The himalayas were formed by rock folding.
Folds are examples of ductile rock deformation.
The himalayas were formed by ductile rock deformation.
The Himalayas were formed by what?

* fissures of hot, acidic water
* Movement of an air mass
* movements in the earth's crust
* movement of tectonic plates
* remains of prehistoric life
* tectonic plates coliding
* air mass over Earth's surface
* ductile rock deformation