Mountains can "grow" for a number of reasons. This is mainly caused by tectonic plates moving towards each other, the pressure forcing the land mass up, assuming that the two plates are of equal...
Some mountain ranges, such as the Himalayan Mountain Range are still growing because the tectonic collision that created them is still occuring. The rate of uplift exceeds the rate of erosion. Many...
it depends on, the environment...... if it is a green moutain, then mushrooms, and trees grow there.... if it is a cold moutain, there is likely of mushrooms growing, and fungas idk... 9im not good...