1. The topographic map below shows the location of a
stream. Points A and B are locations on Earth's
surface.
Contour interval = 10 m
What is the gradient between points A and B?
A) 1 m/km
B) 2 m/km
C) 10 m/km
D) 20 m/km

1 The topographic map below shows the location of a stream Points A and B are locations on Earths surface Contour interval 10 m What is the gradient between poi class=