Answer:
C
Explanation:
Roads can vary in elevation, since a road is essentially any path to walk on.
Hills have varying elevations - they are higher at certain points.
Rivers can flow downhill and aren't always at equal elevation.
Contour lines on a topographical map connect points of equal elevation. If you were to follow a contour line while walking, the elevation would remain constant.
Plant roots that grow in cracks can cause weathering.
Valleys formed by weathering or erosion can be canyons or ravines.
Answer: B. differentiation
Explanation:
It divides the Atlantic Ocean.