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 and Viruses. Both viruses and bacteria cause infections, but antibiotics only work against bacteria. Viral Infections. Include colds, flu, croup, laryngitis, chest colds (bronchitis) and most sore throats. Are more contagious than bacterial infections. Can make you just as sick as bacterial infections.