Do you want BuboFlash to help you learning these things? Or do you want to add or correct something? Click here to log in or create user.



The first signs of bronze, an alloy of copper and tin, date to around 2500 BCE, but the alloy did not become widely used until much later.
If you want to change selection, open document below and click on "Move attachment"

Human history - Wikipedia
s and ornaments around 6000 BCE. Gold soon followed, primarily for use in ornaments. The need for metal ores stimulated trade, as many areas of early human settlement lacked the necessary ores. <span>The first signs of bronze, an alloy of copper and tin, date to around 2500 BCE, but the alloy did not become widely used until much later.[37] Agriculture created food surpluses that could support people not directly engaged in food production,[38] permitting far denser populations and the creation of the first cities and


Summary

statusnot read reprioritisations
last reprioritisation on suggested re-reading day
started reading on finished reading on

Details



Discussion

Do you want to join discussion? Click here to log in or create user.