The photograph shows the Erg Chebbi Dunes in the Sahara Desert.
The shape of the land in this desert is always changing.
Which type of erosion forms sand dunes?
The image shows a field where some of the soil has been eroded.
Pick the most likely cause of this soil erosion.
The wind can cause erosion by blowing soil from one place to another.
How did the farmer protect his crops from wind erosion in the image shown?