these 2 question about about chapter 6 this the link about the book i use it

https://www.scribd.com/doc/202084015/Physics-and-T…

1- Edison killed things with electricity to prove how dangerous AC power is. If it’s so dangerous, why do we use it?

2- Take a mental walk through your average day. List the electronics/electrical appliances or devices you use and whether they run on AC or DC power?