Decaying materials is the process where materials undergo ______ and or _____ through the action of _____ and fungi. Some of its harmful effects are disease- causing bacteria which can cause _____ to the body and makes us sick, _____ which brings severe diarrhea and dehydration, diarrhea, ______ a disease that can be acquired by drinking polluted and food poisoning which is caused by bacteria or _____ in food. Some of its symptoms are vomiting, nausea, _______, stomach cramps and feeling ______. Decaying materials can also contribute to the ______ in the environment.