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.
In fact, there are 2 major types of germs that cause most infections, viruses and bacteria, and antibacterials are useful only against bacteria. 1  Bacteria are one-celled organisms that are just a few thousandths of a millimeter in size. They live on our skin, in our digestive system, and in our mouths and throats. In fact, there are one hundred thousand billion bacteria living and thriving on or inside of us.