Should be the moon moves 90 degrees in it I wish you best of luck
I believe that all members of one species form a population.
The total amount of water in the planet
Erosion is brought about by the forces of nature or human activity: water, wind, earthquakes, mining, quarrying, etc. In the desert, there is very little water that can cause weathering or erosion, so the most probable answer is wind or maybe even animal activity.
