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.
â¢ Bacteria are the oldest and simplest organisms, butthey are metabolically much more diverse than allother life-forms combined.â¢ Bacteria differ from eukaryotes in many ways, themost important of which concern the degree ofinternal organization within the cell. 1. Structural differences amongbacteria are not great.