Please, please pick me as brainiest. It would make my day!
Answer:
The best way to look at it is that mountain climbing is a sport that involves the scaling of a mountain in its entirety. ... However, rock climbing by itself is so extensive that it can be and often is its own sport. Some mountains are more easily traversed by hiking, such as Mount Baker.
The answer to your question is,
Seafloor spreading
-Mabel <3
Two of the above are true
