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.
Learn the basic differences. There are key differences between bacteria and viruses in size, origins, and effects on the body. Viruses are the smallest and simplest life form; they are 10 to 100 times smaller than bacteria. Bacteria are single-celled organisms that can live either inside or outside other cells.