Which element of greek tragedy refers to the tragic flaw within the protagonist that bring about his or her downfall?
hamartia
hubris
anagnorisis
peripeteia

The element of Greek tragedy that refers to the tragic flaw within the protagonist that helps bring about his or her downfall is hamartia.

Explanation:

Hamartia which comes from the Greek is a term that is used to refer to a "mistake" or "tragic error" like a flaw or a sin. Hamartia normally occurs to the heroes, they are the ones that present this situation in their actions and they are faced to a situation where being them the hero they want to do the right thing but after not being possible they fall, and that brings catharsis to the audience.

to create suspense.