Question

Fallacies: _____. Select all that apply.

have no effect on an argument
may make a person less credible
may make an argument illogical
are an essential part of persuasion
are an indicator of pathos
none of the above

Answer 1

In general fallacies "may make a person less credible" "may make an argument illogical" and "are an indicator of pathos". They are rarely helpful for an argument. 

Answer 2

The right answers are "may make a person less credible ", "may make an argument illogical " and "are an indicator of pathos ".

The explanation for this answer is that fallacy is a misguided reasoning with the appearance of true. In logic and rhetoric, a fallacy is an incoherent, baseless, invalid, or flawed argument in an attempt to effectively prove what it claims.