Answer:
D. All of the above.
Explanation:
The electromagnetic energy powers a small motor(DC motor) that produces mechanical energy, it moves the air out of the hair dryer through a process called forced convection. By adjusting the amount of electricity flowing to the fan, a user can control the intensity of the gust.
Also this electromagnetic energy will pass through iron wires inside the blow-dryer, this is called curling iron-conduction. This heats the wire by releasing heat energy, as the air passes by the hot wires it will heat the air.
Thus,
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