Of the following, which are threats to archaeological sites

Cultural evolution is the term to describe the linear changes in human societies through deep time.  Being linear, these changes are the same everywhere and there are no reversals to previous systems.

Which of the following is an example of a low-density tropical city?

The first migration of Homo species out of Africa occurred approximately:

The carrying capacity of an area places limits on:

Which of the following did NOT contribute to the Maya collapse?

Human sacrifice was the greatest concern and dictated all the activities of the average Aztec person.

A palynologist would interpret a decrease in tree pollen, and an increase in grass pollen after the introduction of farming to an area as:

You are an archaeologist on a team excavating an ancient site.  You find evidence of elite and commoner classes, large public buildings, and a group of people who earned their living making pottery.  This evidence suggests the site was_________.

Native American cultures in the New World almost never had negative effects on their environments.