If a stream drops 15 meters in 15 kilometers, what is its gradient?
A) 100%
B) 1 meter per kilometer
C) 15 meters per kilometer
D) 15 kilometers per meter
E) none of these

Question

Quizplus · Accepted Answer

The gradient is calculated as the vertical drop per unit of horizontal distance. Here, the stream drops 15 meters over 15 kilometers, so the gradient is 15 meters / 15 kilometers = 1 meter per kilometer.

If a Stream Drops 15 Meters in 15 Kilometers, What