Which barrier to problem solving consists of unquestioned or unproven beliefs?

Consider this painting entitled great fish-market by bruegel

What characters are in street fighter 2 the world warrior

Brancusi's well-known sculpture of a bird was intended to a. display the physical qualities of a bird. b. emphasize the relative size of birds to humans. c. show the calming attributes of birds. d. emphasize the graceful qualities of a bird. select the best answer from the choices provided a b c d