Answer:
About 90 percent of the carbon that gets into the twilight zone remains there, but a small percentage of it sinks to down into the deep ocean when animals die or expel carbon-rich fecal matter.
Explanation:
Because they are not man made and are part of the earth's natural features caused by the the weathering and erosion of the earth.
It is a beautiful and historic place. has interesting history, shops, and buildings. and the Pope lives very close by.
The density is going to be approx. 8.385 g/cm3