Question

What has been found? Suggests that the Egyptians spent much time thinking about and preparing for death.

What has been found suggests that the Egyptians spent much time thinking about and preparing for death
What has been found suggests that the Egyptians spent much time thinking about and preparing for death?
What has been found, suggests that the Egyptians spent much time thinking about and preparing for death
leave as is

Answer 1

The second response since it’s one sentence without a question mark