Grazing animals contribute to the nutritional cycle
B is the correct answer.
While the Indus Valley has gotten more attention in recent years, it is not considered one of the three classical civilizations.
The order helped by acquiring wealth to ransom Christians who were taken by Non-Christians during the crusades. Many crusaders were captured and countries had to pay huge amounts of money for them which was often not worth it. The trinity was established to help the crusaders by getting those people home.
Muhammad Ibn Abdullah (S)
Ibn means the son of in Arabic :)
