Question

multiple-choice question fiber optic cable is made of thousands of small pieces of glass tacos fiber rewatch submit

Explanation:

Fiber optic cables are composed of thin strands (fibers) of glass or plastic that transmit data as light signals. Tacos are a food item and not related to fiber optic cable construction. The option "fiber" is too vague, while "glass" is a key material in making the small glass fibers within the cable.

Answer:

A. glass