"different ears"
According to <span>Broadbent's study, depending on which ear the stimulus was done, one of the channels were used. If both ears were used then there was a channel-swapping phenomenon that proved his theory of auditory attentional selection.</span>
Just read the book and then circle the words you don't understand learn them and then read it again
Answer:
both types of cells have a cell membrane
I’m pretty sure is the answer D-increased chance of cancer
