Answer choices or a picture of the question is needed
The group that later took control of the Holy Land, attacked pilgrims, and led Pope urban to call for the crusades was the Seljuk Turks. The correct answer is C.
The Ring of Fire.
Its called the ring of fire because of all volcanic activity surrounding the Pacific Ocean.
It would most likely be the last one. Erosion is effectively the process of natural forces breaking down rock or soil, which allows it to move from place to place with the aid of forces like wind or water. I would say the answer would be the first one, but it only says rock, while erosion can affect more than just rocks. Hope this helps.