Which of the following must a tragic hero (hero in a tragedy) possess? a famous father
a wife or some other love interest
a fate or flaw that he cannot overcome
all of these

A fate or flaw that he cannot overcome

Explanation:

he is tragic because he cannot overcome his fate or flaw. the other two options are not specific to a tragic hero. it must be the third option.

Hamartia – a tragic flaw that causes the downfall of a hero.

Explanation:

These are all the characteristics of a tragic hero:

Hamartia – a tragic flaw that causes the downfall of a hero.

Hubris – excessive pride and disrespect for the natural order of things.

Peripeteia – The reversal of fate that the hero experiences.

Anagnorisis – a moment in time when hero makes an important discovery in the story.

Nemesis – a punishment that the protagonist cannot avoid, usually occurring as a result of his hubris.

Catharsis – feelings of pity and fear felt by the audience, for the inevitable downfall of the protagonist.

:)

you need need more details so we can understand what your asking us.

onto a large boat, and mark the water level that the boat sinks to. then, take the elephant out and put a bunch of marked weights onto the boat until it reaches the same water level. add up the masses of the weights to get the weight of the elephant.