Can someone plz me i really need it the pics are down below

Distance that the transcontinental railroad covered from omaha to san francisco.

Plz answer ! find the alps. what countries and country borders intersect this major mountain range? which borders seem to be defined by the edges of the mountains? which borders seem to be defined by the edges of the mountains? which borders cut across the mountains?

How did the government of egypt change the natural state of the nile river?