Final answer:
The crowd runs away from Risa and Connor because they are Unwinds in the novel 'Unwind' by Neal Shusterman.
Step-by-step explanation:
The crowd begins to run away from Risa and Connor because they are Unwinds.
In the novel 'Unwind' by Neal Shusterman, Unwinding is a process where teenagers are taken apart and their body parts are used for transplantation.
Unwinds are seen as threats by society and therefore provoke fear and panic, causing the crowd to run away.