In Their Study of the Mayan Empire, Anthropologists Dr

In their study of the Mayan Empire, anthropologists Dr. Lori Wright, Dr. Christine White and Dr. Katherine Emory all demonstrated using stable isotope analysis that

A) reduced food resources led to demographic collapse.
B) ecological factors led to the demographic collapse.
C) deer meat was the source of demographic collapse.
D) ecological factors did not play a role in demographic collapse.
E) economic factors resulted in demographic collapse.