Answer:
The difference of <u>12,583 feet</u> in elevation between the mountain and the valley.
Step-by-step explanation:
Given:
A mountain is 12,408 feet above sea level, and a valley is 175 feet below sea level.
Now, to get the difference in elevation between the mountain and the valley.
As mountain is above sea level = 12,408 feet.
And valley is below sea level = 175 feet.
So, by adding we get the difference in elevation between the mountain and the valley:
Therefore, the difference of 12,583 feet in elevation between the mountain and the valley.