Amouthwash ad that asks the viewer if he or she has ever scared away a date because of bad breath tries to provoke

'There is some evidence that using mouthwashes does have some clinical benefit in reducing levels of plaque - but only by a bit,' says Professor Damien Walmsley, scientific adviser to the British Dental Association. 

They are helpful, they are never going to be a replacement for the mechanical action of a toothbrush for getting teeth and gums clean.'

its confident and professional

d becuase khgfdwhat effect does the word head have on the meaning of this passage?

a. it demonstrates how intelligent he was.

b. it shows he was a favorite of the teachers.

c. it indicates he would be a good preacher.

d. it reveals how self-important he was.

how does the choice of the word head contribute to the passage’s tone?

a. it offers a sense of entitlement.