Answer:
It's A. Smoke from burning coal
Explanation:
I just took this test
Answer: the correct answer is C) one of them did not actually cause the other to occur.
Explanation: a correlation between variables, however, does not automatically indicates that the change in one variable is the reason or the cause of the change in the values of the other variable. Causation indicates that one event is the result of the occurrence of the other event; i.e. there is a causal linkage between the two events.
During the high Middle Ages, the Roman Catholic Church became organized into an elaborate hierarchy with the pope as the head in western Europe. He established supreme power.
