What almost happens to Elie's dad at the stop on the train car?

Elie mournfully explains, "Twenty corpses were thrown from our wagon.  Then the train resumed its journey, leaving in its wake, in a snowy field in Poland, hundreds of naked orphans without at tomb."  What does the phrasing "naked orphans without a tomb mean"?

Years after the Holocaust, Elie witnesses tourists throwing coins at starving children.  One lady ironically calls her act "charity."  This act of "charity" makes Elie recall another one that happened on the train?

Elie uses the following metaphor to describe behavior in the train: "Beasts of prey unleashed, animal hate in their eyes.  An extraordinary vitality possessed them, sharpening their teeth and nails."  What theme does this metaphor support?

What does the word "emaciated" mean in the following sentence?:  "And the spectators observed these emaciated creatures ready to kill for a crust of bread."

What other act of violence does Elie witness a son perform on his father?

From the previous chapter during the "Death March," what other act of cruelty does a son inflict on his father?

Elie and his father continue to display a relationship where they are mutually even in taking care of each other.  Elie saves his father in the beginning of the chapter.  At the end, the father saves the son by doing what?

Instead of Juliek playing the funeral song, what is the song in this chapter?

Which explanation ties the following quote to the symbolism of the book's title?: "Nobody had any strength left.  And the night seemed endless."