Which of the following is a geographical limit?

temperature

soil quality

mountain

population density

The correct answer is:

Mountain.

The correct answer is "mountain".

Explanation:

A mountain is an elevation of the earth's surface that rises above the surrounding land of a limited area. There is no official definition of how tall a mountain should be to be considered as a mountain, however there are some institutions that established that a mountain should reach certain height to be considered a geographical limit. For instance, the UK government considers should be 600 meters or higher, while at the one time the U. S. Board on Geographic Names considered that it should be 300 meters of higher.