Use Grammar/Mechanics for Clarity Practice Test

In a commentary on disaster communication, the author argues that officials should avoid jargon during emergencies. The author references a survey in which residents misinterpreted the term “storm surge” as ordinary rainfall. The draft sentence reads: "Clear warnings save lives, especially when they tell people what to do, not what the weather is called." Which revision best improves clarity while preserving original meaning?

In an editorial about school start times, the author argues that later starts better match adolescent sleep cycles and cites a district pilot where tardiness fell by 12%. The author writes: The pilot mattered not only because grades rose, but also it showed families could adjust routines. Which revision best improves clarity while preserving original meaning?