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.
a germ is a microscopic organism that can carry disease other words used for germs are microorganisms microbes and in slang bugs the term generally refers to bacteria or viruses it could also include fungi or protozoa