What could be the reasons of blue screen of death on windows computers?

Two students are discussing electricity that has a frequency of 60 hz. student a says that this type of electricity is referred to as ac. student b says that in this type of electricity, the electrons flow in only one direction. which of the following statements is correct? a. only student a is correct b. only student b is correct c. both of the two students are correct d. neither of the two students is correct

Luis is cloud-based( microsoft bot framework). true false

How do i copy and paste equations and pictures like math graphs, to post on this site to get my questions answered?