Final answer:
If the underlined phrase in the cell phone policy paragraph were deleted, the sentence would primarily lose a detail that discusses the consequences of violating cell phone rules.
Step-by-step explanation:
If the underlined phrase in the cell phone policy paragraph were deleted, the sentence would primarily lose a detail that discusses the consequences of violating cell phone rules. The underlined phrase likely provides information about the penalties or punishments that students may face for breaching the cell phone policy. Without this detail, the sentence would lose its focus on the negative outcomes of not following the rules.