I think the answer is 624...I’m not sure that’s what I got.
If you look on openstudy.com they have lots of answers to this :-)
"This divide runs from Cape Prince of Wales in western Alaska, through the Rocky Mountains of western Canada and the continental United States, then through the Sierra Madre Occidenal mountains in Mexico, through central America and along the Andes Mountains or South America"
The right answer for the question that is being asked and shown above is that: "(3) absorb less insolation and reflect more insolation." Compared to a light-colored rock with a smooth surface, a dark-colored rock with a rough surface will absorb less insolation and reflect more <span>insolation</span>