I think it is called a Case study.
Hopefully it is correct! :)
<span>1) It has a wavelength which is </span>smaller than violet radiation.
2) What is one factor involved in this erosion? <span>changing tides </span>
Answer: Anywhere near water (rivers, downstreams, oceans, etc.)
Because the soil didn't have the same nutrients it has now due to lack of decomposition of other plants and animals.
