Existentialism is a phylosophical theory, defined as "approach that emphasizes the existence of the individual person as a free and responsible agent..." Therefore, the answer could be all of them as they are the individual beliefs and individuals can determine their own beliefs. However to best characterize this theory I would say that the answer is A.
Calaveras Reservoir. Calaveras Reservoir is located primarily in Santa Clara County, California, with a small portion and its dam in AlamedaCounty, California.
