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 modern times, the term âgermâ isnât widely used in formal science. Instead, disease-causing objects are referred to by what type they are. Viruses and bacteria are types of germs, as are certain types of fungi, protists, and prions. Bacteria are microscopic, single-celled organisms which live pretty much anywhere and everywhere. There are bacteria that live in water, soil, the air, clouds, your carpet, the ocean, and inside your body.