In Studying the "Great Houses" of Chaco Canyon in New

In studying the "Great Houses" of Chaco Canyon in New Mexico, scholars have discovered that even as early as 800 - 1150, members of the Puebloan culture

A) were growing corn, squash, and beans, which improved their nutrition considerably.
B) were experiencing an increase in rainfall and resultant groundwater levels.
C) had begun to replace their woven cooking vessels with clay pots.
D) were able to predict the annual solar cycles as well as the less frequent lunar ones.
E) had begun to use the Great Houses mainly as burial chambers.