Here's how it works:
* Compression: The Earth's tectonic plates collide, squeezing the rock layers together.
* Folding: The immense pressure causes the rock layers to bend and fold, creating peaks, valleys, and ridges.
* Uplift: Over time, the folded layers are pushed upward, forming mountains.
Some famous examples of folded mountains include:
* The Himalayas: Formed by the collision of the Indian and Eurasian tectonic plates.
* The Alps: Formed by the collision of the African and Eurasian tectonic plates.
* The Appalachian Mountains: Formed by the collision of the North American and African tectonic plates long ago.