This is how the mountains of the Himalayas in Asia were formed. The Andes are the world's longest mountain range. This causes lava to erupt out of the gap that is left. As it cools down ...

The Andes are the world's longest mountain range. This causes lava to erupt out of the gap that is left. As it cools down, the lava creates a long line of mountains under the ocean called the Mid ...