How does the detail from Part A best support the central idea that teens who get adequate sleep are more alert and attentive? Grade 8 9 Finding Your Path Unit Test Houghton Mifflin Harcourt Publishing Company Name: Date: (it illustrates a biological reason why teens might struggle with sleep, which indirectly impacts their attentiveness. 'Blt provides a specific example from a real-life setting showing that later school start times improve focus and reduce yawning, indicating increased alertness. es ' It explains a scientific finding about brain activity during sleep but does not directly address alertness and attentiveness. (D It discusses a change in teens' biological clocks, which helps understand the sleep cycle but does not directly link to attentiveness