Answer:
The earth is a vast ecosystem that was created by natural forces. Through mankind's touch this has drastically changed. A sort of butterfly effect occurs whenever man intervenes with nature. For example, building a dam stops water flow, dries up the river bed, and forces native animals to relocate or die. Everything that mankind has done to the earth hurts the natural course of how nature grows and flows. By doing this the earth has become poisoned, and therefore mankind is poisoning his home and himself.
Its six sentences but here you go. Modify to how it best suits you.
I think the answer would be option 3, "In Act III, morality is difficult to judge."
By explaining problems and giving solutions! this is the best fit because the other two might make sense at a first glance, but only explaining problems and solutions would be an effective way to teach people how to set up an aquarium by giving them examples of what to do and what not to do whereas the others are just him talking about his aquarium.
