Anna is working on finding the patterns of demographic variation within north america’s populations. what is anna working on?

Finding the patterns of demographic variations nahh im just playing dont put that as an answer THE real answer is  that what Anna is working on, given that she wants to find the patterns of demographic variation, is population structure.

Cause of he different elevations  hope this ?

Iwould say d. eye contact and body language because you aren’t using any spoken communication. hope this : )