Some scientists think that case studies are not useful because they provide information about only one person. what do you think? what is your opinion of case studies?

well i think you should consider your own opinion and not others but ill help you out. case studies are conducted with experiments over a period of time. its reliable in a way of time and evidence. but its also not very reliable in ways of only one subject. experiments in general consist of changing something particular, such as what you are researching. so, researching or experimenting on two or more different things, gives more accurate results. more subjects more research.

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.