Answer:
Siltation is a process by which water becomes dirty as a result of fine mineral particles in the water. Explanation: When sediment, or silt, is suspended in water, this is an example of siltation.
4. The Roman Empire
( Muslim Empire is not a thing)
The quartz is more resistant to abrasion and chemically more resistant than the feldspar. The result is that the quartz remains in the stream but the feldspar breaks down to clay or is dissolved.
(this is from coursehero.com)
Answer:
I'm fairly sure the organization is the RCREEE.
There is no skeleton, so no fossil. <span />