To start and keep a fire burning requires four elements: fuel, oxygen, an ignition source, and a chemical chain reaction. A few examples will illustrate why each of the four elements is. necessary. Hydrocarbon Safety: Understanding Flash Point. You are using a butane cigarette lighter.
Germ is non medical term of microorganism which includes parasite, amoeba, fungus, bacteria, richetchia, virus, and so many others. Bacteria is one of the germ. usually the germ causes disease, but some germ are good for us, so called friendly germ. 25 people found this useful.
Best Answer: Bacteria are single cell microscopic organisms & are everywhere Parasites are a organisms that feed off others for their own benefit. Viruses are a microscopic particles that can infect the cells of a biological organism.Basically they can all make you sick in one way or another.The main difference is that bacteria and viruses are not considered true life forms while parasites are.iruses are a microscopic particles that can infect the cells of a biological organism. Basically they can all make you sick in one way or another. The main difference is that bacteria and viruses are not considered true life forms while parasites are.