The Ionic Blast hairdryer does a great job removing the frizz from Francesca's hair. Therefore, since Gabriella's hair is virtually identical to Francesca's, probably the Ionic Blast would do a good job removing the frizz from Gabriella's hair: a. Slippery slope. b. No fallacy. c. Appeal to unqualified authority. d. Weak analogy.

b) No fallacy

Explanation:

No fallacy is the situation where any argument is presented along with actual and non-faulty reasoning to prove it.It is signified as non-mistaken belief or argument that contains correct reasons .

According to the question,if Iconic Blast hairdryer can remove frizz from Francesca's hair and Gabriella's hair are similar or close enough to Francesca's hair. Thus ,same hairdryer can tend to remove frizz from Gabriella's hair as well.Thus, this argument has valid and non-faulty reasoning. So, it is not a fallacy.

Other options are incorrect because weak analogy,slippery slope and approaching unqualified authority is not displaying any such belief.Thus, the correct option is option(b).

it is a better alternative