Answer the questions briefly:-
In which age wheel was invented ? How was it useful to mankind ?
What are sites ? Write the names of two Mesolithic and two Neolithic sites.
Why are Palaeolithic human called hunter-gatherers?
Write two qualities of a good hunter and two qualities of a good gatherer?
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Explanation:
Mesopotamia.
But the reason that the wheel is a very important and useful technology is because of its mechanical advantage. The wheel gains its mechanical advantage because it reduces friction. When having no wheel, people could use a travois that partly slides on the ground.
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