Please clarify your question so we may provide appropriate answers.
"<span>A. Hunter-gatherers ate berries and nuts as part of their diet" would be the best option from the list, since early humans neither had discovered fire nor plant domestication. </span>
Im not sure but I think it was the beginning of modern warfare.
The answer is C: Relative dating can only tell whether one rock layer came before or after another, while absolute dating can give the age in years.