Question

what is contour barriers​

Answer 1

Answer:

Barriers built to follow contours, such as walls, mounds, lines of grass or brush, or trenches, prevent soil from being carried away by wind and rain. They also help slow the downhill movement of water, spread it over the soil, and sink it into the ground.

Answer 2

Explanation:

Barriers built to follow contours, such as walls, mounds, lines of grass or brush, or trenches, prevent soil from being carried away by wind and rain. They also help slow the downhill movement of water, spread it over the soil, and sink it into the ground.