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.
The characteristics of bacteria are among the most varied in any domain of life-the relatedness between 2 species of bacteria is often much less than the relation between any 2 given metazoans, say a human and a slug.he examples are as follows. 1  Coccus (spherical): Coccus can be used to describe any bacterium that has a spherical shape. 2  Bacillus (rod-like): Bacillus is used to describe any rod-shaped bacterium. 3  Spirillum (spiral): This refers to a bacterium with a spiral shape.