Question

which rhetorical appeal is primarily used in the ad? moms have trusted us for generations airsoft detergent ethos (character) logos (reason) pathos (emotion)

Explanation:

The ad claims "Moms have trusted us for generations," which appeals to the credibility and trust - worthiness of the product. Ethos is about establishing the speaker or brand's character and trustworthiness.

Answer:

ethos (character)