what purpose does including the concepts of ka serve in the author's central ideas ? explain what ka means in your answer .

contributes as to why pyramids were built with great distinction and effort.

Explanation:

As the central idea of the article is about the purpose and distinction of the pyramids, the concept of ka contributes as to why pyramids were built with great distinction and effort.

It helps the readers to understand that pharaohs' wealth and richness could be enjoyed in the afterlife by thier kas. So building a great pyramid for the pharaohs was an important tradition for the Egyptians.

Ka is believed to be a second self of an individual. It is the spirit/energy of a person that transcends into the afterlife after death.