That would be Logos
Ethos is credibility of the person
Pathos appeals to emotion <span />
The correct answer is; "What proof the tripster is able to provide".
That´s because as a reporter, he must make sure about the authenticity of the accusation as he cannot post apocryphal news.
The Literary device is PATHOS. It is a method of persuasion and convincing the audience with an argument that appeal to the emotions and feelings. In this particular statement, the author attempts to persuade the audience to get involve into the recycling program actively by appealing to their emotions and feelings towards the environment.
American History is studying the American colonies.