What are some examples of ads that are not trying to sell a product or service? (this is not a multiple choice answer, this is a short response one)

What angle should your knees not bend past when squatting? a. 30 degrees b. 45 degrees c. 90 degrees d. 120 degrees

Tanya is not able to solve a problem because she’s unable to see it from a fresh perspective. which obstacle to problem solving is tanya experiencing? a. fixation b. counterproductive heuristic c. confirmation bias d. overconfidence

Agirl is working really hard in high school and decides to finish some of her classes early , what classes should she choose?