PLEAAASSE HELP FASTTT

Which sout american country has the highest population density

Which of the following is an example of the endocrine system maintaining homeostasis? detecting a pain stimulus and sending a signal to the spinal cord to perform an automatic response discharging an excessive amount of hormones in the blood and not sending a signal to stop production releasing hormones that speed up heart rate and blood pressure while slowing body functions like digestion and growth using sense organs to get information about the outside world and direct an appropriate body response release

Why does miss maudie say "there are just some kind of men who-- who're so busy worrying about the next world they've never learned to live in this one, and you can look down the street and see the results" (lee 45)?