That is a chemical change if your talking about gases
The question is asking to choose among the following choices that states the doctrine that the founders of Brook Farm were inspired of, base on the said excerpt and in my research, the possible answer would be Transcendentalism. I hope you are satisfied with my answer and feel free to ask for more if you have questions
I believe that the lines from Antigone that show a result of Creon's change in fortune, or his peripeteia are:
<em>Thy wife, the mother of thy dead son here,
</em><em>Lies stricken by a fresh inflicted blow.
</em>It shows that both his son and his wife are dead because of his bad decisions.