Answer:
Explanation:
I believe the answer is b? Yes, people back then did need to use advanced tools.
First one for sure
im guessing third one too
plz wait for another person to answer the rest but im pretty sure its only those two
hope this helps
C oligarchy hope this helps
They crossed east into modern day Alaska and Canada. This is known because there is no trace of humans until this time. pls mark brainleist.
it allowed them to place a roof on large buildings
