Answer:
In to kill a mockingbird, the author characterize the crowd of community members who attend the trial as interested, excitable spectators, hoping to witness the drama unfold before their eyes.
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.
Eurohydrosis? Its used to cool itself down that I know. And it absorbs the evaporated urine back through its skin.