It's called a chapter. And they make your book.
<span>fire melt's ice and ice should put out the fire, but his fiery love makes her cold heart grow colder, and vise vers</span>
I think you are missing a dash thing in between the words "mid" and "May".
It means do not insult, offend or be rude to someone who is giving you a gift or something of worth. ie. that person is giving you "food" and that very well may be retracted, should you "bite" them
It emphasizes the author's argument that Antarctica is not being explored nearly enough