An area where soil has eroded experience loss of nutrients. The topmost layer of soil is called the topsoil and is the most fertile. Soil erosion results in the loss of soil fertility and makes the land barren
The main cause of soil erosion is the removal of vegetation, which exposes the topsoil to water and wind. Wind and water are the main agents of soil erosion.
Water erosion can be sheet erosion, rill erosion, gully erosion or riparian erosion.
Answer:
Ring shaped inflammation would make me think ringworm. In which the answer would be Antifungal as you can buy OTC antifungal cream for relief.
Explanation:
They cant be faster because they have smaller fins but thats just my logic hope i helped
The answer I think is, some diseases the person might have.