The downfall of a tragic character is the result of
chance
a tragic flaw
the antagonist
poverty

The downfall of a tragic character is the result of "a tragic flaw".

The term hero is gotten from a Greek word that implies a man who faces affliction, or shows strength, despite risk. Nonetheless, at times he faces ruin too. At the point when a hero goes up against destruction, he is perceived as a tragic hero. Aristotle, the Greek philosopher, portrays these plays or stories, in which the principle character is a shocking saint, as disasters. Here, the hero goes up against his ruin whether because of destiny, or by his own oversight, or some other social reason.  

Hamartia refers to a tragic flaw that causes the downfall of a hero.

Option B

Explanation:

In almost all the literature forms specially in greek literature, a hero has always been a person who has rises against all the odds in his/her life. This special character faces affliction and usually shows strength instead of the risk involved in it. Some time this character undergoes complete down fall or he/she get ruined but this "hero" rise up again and stand strongly  against the destruction and thus is perceived as a tragic hero. Aristotle, has always portrayed in his writing "hero" as the main character who get ruined because of destiny or some social reason

Hence, option B is correct

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.