In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.
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Question: Unipolar motors have _ coils and are likely to have five or six wires attached.

Answer: four


Question: Lightning can travel _ miles or more horizontally from the storm, then strike the ground.

Answer: six


Question: Sediment consists of _ visually distinct floc layers.

Answer:
two