The oldest known stone artifacts are A. 3 to 5 million years ...

[Coya19@aol.com]

The oldest known stone artifacts are
 
  A. 3 to 5 million years old.
  B. 2 to 2.9 million years old.
  C. less than 1.5 million years old.
  D. from southern Chile.

Question 2

Hierarchical organization
 
  A. is often found among hunter-gatherers.
  B. is associated with rank or class in society.
  C. is a technique for classifying pottery and stone tools.
  D. is associated with egalitarian groups.

[enass]

Answer to Question 1

B

Answer to Question 2

B

[Coya19@aol.com]

Thanks for the timely response, appreciate it

[jamesnevil303]

Great answer, keep it coming