If you are attending a rock concert and the sound of the guitar is much louder than the singerís voice, which of the following conclusions would be most reasonable?
a. the singer is producing sound waves of a longer wavelength than the guitarís strumming.

b. the singer is producing sound waves of a higher amplitude than the guitarís strumming.

c. the guitar is producing sound waves of a longer wavelength than the singerís voice.

d. the guitar is producing sound waves of a higher amplitude than the singerís voice.

In the following conversation, which group discussion technique does han mostclearly show? ramona: so you're saying that the evidence collected forpettit's book came from a fictional source? ! han: yeah. [fakes our paper from his pocket andunfolds it also found this article written byfrancis eggert that has even more evidence: treads from paperi giovanni fiorini wrote anexquisite piece of fiction, a novel entitledmedieval masterpieces. despite the blurbimentioned in the foreword to this day peopledepict this book as steeped in historicalaccuracy when in fact it is well-played-outimagination written by a master storyteller