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 virus is little more than a section of RNA or DNA covered by a protein shell. A bacterium, therefore, is at least a hundred times larger than a typical virus. One major difference between viruses and bacteria is the method of reproduction. A bacterium is a completely self-contained and self-reproducing unit. When the time is right, a bacterium will split its DNA and RNA genetic material in two.