i have know idea why do you ask?
I think it is ability to make tools
tools
Tools
to survive
human + metal = tools
Early stone tools were used for hunting by humans. They were also used for protection from other humans wishing to do them harm or from wild animals. Stone tools were also used to build things.
Early human,made Weapons from stone thats why its is called Stone Age as you know They sharpened it with other stones and they used it I hope you got what you needed Thanks
Wheel
the early men made their tools with pieces of rocks and wood
human + metal
The development of language, the mastery of fire, and the invention of tools had significant impacts on early human life and communities. These elements allowed early humans to communicate effectively, cook food for extra nutrients and protection, and create tools for hunting and other tasks, enabling them to adapt and thrive in various environments.
The club, the stone knife, the tomahawk, the spear, and the atlatl (a forerunner of the bow).