explain what are the three types of mountains and how are they formed?

The three types of mountains are block mountains, volcanic mountains and fold mountains.
BLOCK MOUNTAINS:Block mountains are formed by uplifting of large pieces of rocks.They are mostly formed by a natural disaster like an earthquake.
VOLCANIC MOUNTAINS:Volcanic mountains are formed by a volcanic activity.These mountains contain magma, lava and a vent.
FOLD MOUNTAINS:Fold mountains are formed due to an erosion of an area.These mountains have rounded features.