Did the specialization of labor happen in the early dynastic period or the old kingdom?

Below is a description of a resource that you're considering using for a research paper. as you read the description, keep in mind what you've learned about historical thinking skills and use those skills in evaluating whether or not to use the source.

Anode is a point on a wave where there is no vibration. a.true b.false

Adolescents can display egocentrism when they become about changes in their lives.