This criterion is vital. It explains how human norms and conventions vary in the ritualised behaviours located in nonhuman primates. On one particular hand, the scarab was a solar symbol. The Egyptians were being keen observers of mother nature and witnessed dung beetles pushing balls of dung across the sand. https://thebookmarkage.com/story18424425/the-smart-trick-of-murano-glass-beads-that-no-one-is-discussing