Question

what are windmills.what do they do​

Answer 1

Answer:

windmills are those mechanical machines, that are used to produce energy from wind.

Explanation:

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Answer 2

Answer:

wind mills generate power supply with the help of air moving

Explanation:

in them there is a magnet strings of copper (metel) wrapped around metel when it rotates

by wind it gets charged and supply of current is produced