Question

why did early man use flint

Answer 1

hey dear.....!!

Early humans used a variety of stones to make tools: flint, chert, obsidian, chalcedony, and others. What they all have in common is the way they break when struck. They’re all what’s called cryptocrystaline. That is, they have an exceptionally fine-grained crystaline structure, if they have such an internal structure at all. That means that the break in a fairly predictable way when struck with sufficient force. What you get is called a conchoidal fracture......

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Answer 2

because it occurs chiefly as nodules,and masses in sedimentry rocks, such as chalk. They used this for drawing various symbol