Question 184 Deck General

The correct answer is A) below normal rainfall. The reason is that short-term fluctuations in water levels on the Great Lakes are typically caused by factors such as seiches (standing waves), strong winds, and sudden changes in barometric pressure, but not by below normal rainfall. Rainfall patterns generally have a more gradual effect on long-term water levels, rather than causing the rapid, short-term fluctuations described in the question. The other options B) seiches, C) strong winds, and D) sudden changes in barometric pressure are all known to cause the type of short-term water level changes mentioned in the question, and are therefore not the "EXCEPT" in this case.