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

Question

Quizplus · Accepted Answer

The average gradient is calculated by dividing the total drop in elevation by the distance traveled. The river drops 200 meters over 100 kilometers, so the gradient is 200 meters / 100 kilometers = 2 meters per kilometer.

If a River Originates 200 Meters Above Sea Level and Travels