Water and soil loss refers to the damage and loss of water and soil resources and land productivity under the action of external forces such as water power, gravity and wind, including the erosion of land surface and the loss of water, also known as water and soil loss. Water and soil loss is caused by the interweaving of adverse natural conditions and human non-existent economic activities.
According to the above definition, which of the followings does not exist water and soil loss :
After long-term weathering, the rock turns into gravel