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.
To start with, bacteria are Prokaryotes (Pro means primitive Karyon means nucleus) whereas, Humans are Eukaryotes (Eu means true and Karyon is nucleus). Genetic material in both is present in the form of chromosomes. Chromosome is a thread like structure made up of DNA and sometimes proteins.