Inform readers about people who deny the causes of climate change
B. Many internet dads are quickly replaced by new ones
B. He's good natured and possibly making a joke
they clean all areas to stop the spread of any infections
The correct answer among the choices provided is the fourth option. Personal testimony was used by the speaker to prove his point. The speaker talked about his experiences on how Britain tried to stop the war in Europe. He is credible since he was a Cabinet member during that time.