Answers

2014-02-23T17:03:29+05:30
Wheels are the archetype of a primitive, caveman-level technology. But in fact, they're so ingenious that it took until 3500 B.C. for someone to invent them. By that time — it was the Bronze Age — humans were already casting metal alloys, constructing canals and sailboats, and even designing complex musical instruments such as harps.
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2014-02-23T17:58:17+05:30
 invention of the Wheel by Mesopotamian's in c3500 BC.. i think...

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