Nitrogen (around 78%), Oxygen (around 21%), and Argon (around 1%).
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Answer:
D. Electrical energy is changed into mechanical energy
Explanation:
When you turn on the fan, the electricity that is given through the power outlet allows the fan to have the available energy to spins the fan blades. By the fan's blades spinning, this is a movement that can be described as mechanical energy.
expect what to have?!?!?!?
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