Sunday, July 1, 2018
Microorganisms (micro=small and organisms =living) Tiny organisms which are not visible with unaided eyes. Microoganisms are every where surround you there will be millons of microorganisms present which you cant see. Some of them can harm you and some of them can help you. There are 5 main groups of microorganisms. These are:
1. Bactria
2. Fungi
3. Algae
4. Protozoa
5. Viruses
1. Bactria
2. Fungi
3. Algae
4. Protozoa
5. Viruses
What is friction?
The resistance that one surface or object encounters when moving over another.a lubrication system which reduces friction’ It's or...