Well of course no one knows for sure but early man probally used spears and stones as their first form of weaponary.
But of course this depends what period of "early man" you are referring to, it...
Rocks and the minerals from rocks are used to make almost everything we use or buy in our modern world. Construction, medicines, electrical production, fuels, metals production, transportation...
It seems the earliest men used rocks and branches for both tools and weapons. As our brain grew larger, we began developing flint knapping, or working flint by striking it to break off shards, very...
rocks are used in many things. it can be gravel, bricks for a house, or concrete in the parking lot. rocks are not limited to just those things. there are many more, just look it up somewhere else on...