What is the meaning of مرحبا انا اسمي and كيف حالك

Which type of irb review does not require an irb approval but does require a determination by the irb or an irb designee?

George orwell intended for his novel to be a warning against totalitarianism. use examples from the novel to show things that are present in the novel that can be found in societies today.

Difference between the angle of inciden