I believe the answer is true. Humans have a digestive track, which removes unwanted matter from the body.
The answer is a cellular membrane
The downfall of a tragic character is the result of <u>"a tragic flaw".</u>
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.
The answer is:
<u><em>A) Methane</em></u>
because if u picked anything else the reaction would not happen