A strong belief in an afterlife using pyramids and tombs was an important part of what ancient civilization? Egypt
Israel
O Mesopotamia
India

Egypt

Explanation:

Egyptians tombs consisted of arts and engraving that possess a specific function in their belief.

According to Egyptian Belief, Deceased individuals will experience an afterlife journey where their spirit might wander a way to place that lead to the extinction of their souls. The Egyptians created engravement on the tombs of the deceased to ensure that no matter where the souls go, they will be able to find its way back to the tombs. As for the pyramids, they're mainly serve as a place to store the tombs of important people in Egypt. (To prevent them from being stolen by Robbers)

it is going to be account a

i would say b. research typically uses a variety of sources