Answer:
it's actually complicated
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Answer:
D. spyware
Explanation:
Well it kind of explains itself. He wants to "spy" on their activities.
A row, which is also called a tuple.
As the name states, during a ground-fault (when the current going out is significantly different than the current going in) the GCFI interupts the current. Usually by a switch of some sort. (Pushing the "test" button produces that click, and cuts off the current)