Geography, asked by kambleketaki44, 2 days ago

answer the following questions​

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Answered by scarthedeadlyfox
1

Answer:

traveler's bags have wheels so that they don't have to carry the weight on their back. Machines need to be maintained so that they don't break and so they continue to work. bikes are complex machines because it has two different simple machines, one is two wheels and the other is a pully that is the chain.

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