Question

multiple-choice question
what is used to splice two cables together?
heat
tacos
fiber
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Explanation:

To splice two cables (especially fiber optic cables), heat can be used in processes like fusion splicing. Tacos are food and irrelevant. "Fiber" is the cable type, not the splicing tool. So heat is the correct choice for splicing (e.g., in fusion splicing of fiber cables, heat fuses the fibers).

Answer:

heat (the option labeled "heat")