There is no passage and answer choices, so it is impossible to answer this question. I apologise.
Answer:
they probably add drama or detial
Explanation:
Answer:
The Answer is A
Explanation:
Anthropologists study old societies/cultures
The main purpose of subheadings are:
They stand out because of their size and attract attention.
The scanner will stop to read them and continue scanning until the next subhead which they'll then read.