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.
Bacteria are the plural of bacterium, which are microscopic one-celled organisms. They are found everywhere and can be harmful, as in infections; or they can be beneficial, as in fermentation or decomposition.Five types of bacteria are: Coccus, Bacillus, Spirillum, Rickettsia, and Mycoplasma.ere are examples of bacteria that do not have a cell wall and may be rod shaped or spherical (Mycoplasma): 1  M. buccale. 2  M. faucium. 3  M. fermentans. 4  M. gallisepticum. 5  M. genitalium. 6  M. haemofelis.