Answer:
The meanings of mountains are possibly old, dormant volcanoes or the after affect of an earthquake. For example; when two tectonic plates are pushing together, one plate might go under the other and push one upward. Causing the birth of a new mountain, underwater ridge, or just a very high cliff.
Step-by-step explanation:
Turns out I paid more attention in science than I though 0.0
Hope this helps!