Interesting facts about bacteria and viruses 1st two answer gets the Brainliest. :)

Explanation:

Bacteria are very tiny organisms that are present everywhere. Bacteria are single celled microorganisms . Their cell structure is unique and they don't have nucleus .

Interesting facts about bacteria :  

There are around 40 million bacteria in a gram of soil .Bacteria can survive in even very harsh conditions like deep areas of earth crust and in radioactive waste.Some bacteria have chemicals that can generate light . This process is called bio-luminescence.Many bacteria are present in human body.Bacteria also help the environment by treating sewage .                    

Viruses are very small particles that can infect animals and plants . Viruses are made up of genetic materials like DNA and are protected by a coating of protein.

Interesting facts about viruses :

Viruses are not classified in any of the five kingdoms of living organisms.Most of the viruses are so small that they cannot be seen even with an optical microscope.The first human virus discovered was yellow fever virus in 1901. A virus  that contains RNA instead of DNA is sometime called a retrovirus.The word virus comes from Latin word " virulentus " meaning                      " poisonous " .