Which rhetorical appeal has been used here?

Which rhetorical device has been used in this advertisement?

Ethos builds _____.

Which rhetorical appeal has been used in this advertisement?

Which persuasive appeal has been used in this advertisement?

This method of persuasion includes statistics, research and facts.

Who devised the three persuasive techniques: Ethos, Pathos, Logos ?

Identify the mode of persuasion used here.

Mr. Ahmad has taught Science subject for 25 years. He is the author of two textbooks for middle school students. We should follow his recommendation to create our new Science project. Identify the appeal.