Final answer:
The missing energy type in the windmill energy transformation is Electrical energy.
Step-by-step explanation:
The missing energy type in the windmill energy transformation is Electrical energy.
Wind energy is transformed into kinetic (mechanical) energy which is then further transformed into electrical energy. This electrical energy can be used to power homes, businesses, and other electrical devices.
Therefore, the correct answer is option A. Mechanical. The missing energy type in the windmill energy transformation is mechanical energy.
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