I think that the use of rain is meant to symolize purification of all evil things.
Its 50/50 animals are killed by humans for our benefits but they dont have to do it. We could simply eat vegetables or anything from plants (which i think anything that comes from plats is a vegetable). So I think that the answer depends on who is answering the question if they are vegans or meat eaters (which i am myself).
A. He becomes mentally tortured by his actions
It depends on if you argue for or against it. For a thesis to being with community service maybe try something like:
Community service is something that can be very effective on our environment. The possibilities of a clean world can be achieved if more people were to band together and tackle issues such as littering and pollution. However, it seems that right now, many people are not so much for the cause or the effort in saving our planet.
