Final answer:
Viruses are the micro-organisms that Hepatitis B, HIV, and the common cold belong to.
Explanation:
Viruss are the type of micro-organisms that include Hepatitis B, HIV, and the common cold. These infectious agents are smaller and simpler than bacteria, consisting of a core of nucleic acids enclosed in a protective shell.
Learn more about Viruses here:
https://brainly.com/question/42261817
