Im stuck once agin anyone mind helping me please and thank you :)

Which of the following statements about the effects of subliminal stimuli is most accurate? subliminal stimuli have no effect on attitudes or behavior. subliminal stimuli can lead people to vote for political candidates they do not support. subliminal exposure to thirst-related words can lead thirsty people to drink more. subliminal stimuli can lead people to violate deeply held values.

The pka of three different c―h bonds is given below. explain the observed trend in pka. select the single best answer.

For an actor, keeping his mind on will ultimately his performance.