A stream begins at an elevation of 200 m and flows a distance of 400 km to the ocean. What is the average gradient?
A) 0.5 km/in
B) 2 km/m
C) 0.5 m/km
D) 2 m/km

Question

Quizplus · Accepted Answer

The average gradient is calculated by dividing the change in elevation by the distance. The change in elevation is 200 m, and the distance is 400 km. So, the gradient is 200 m / 400 km = 0.5 m/km.

A Stream Begins at an Elevation of 200 M and Flows