If a river originates 200 meters above sea level and travels 100 kilometers to the ocean,what is the average gradient in meters per kilometer?
A)0.2 meters per kilometer
B)0.5 meters per kilometer
C)2 meters per kilometer
D)5 meters per kilometer
E)None of these are correct.

Question

Quizplus · Accepted Answer

Gradient = (change in elevation) / (distance traveled) 
Change in elevation = 200 meters (originates 200 meters above sea level) 
Distance traveled = 100 kilometers 
Gradient = 200 meters / 100 kilometers = 2 meters per kilometer

If a River Originates 200 Meters Above Sea Level and Travels