Answer:
Comments on a computer program give feedback to the developer and helps the developer to make the computer program better. The comments would see problems that may have been overlooked by the developer and tell the developer about the problems that need to be fixed. The comments would also give reviews and critique the computer program on things that need to be taken out or things that need to be brought in. For an example, if a computer program has a glitch/bug then the comments could inform the developer of the glitch/bug that needs to fixed.
Well, I do know that polarity affects the voltage.
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https://tlgur.com/d/GYYVL5lG
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