What is the definition of a biased person

A biased person favors one side or issue over another.

Explanation:

For example say there is a soccer game going on Blue Team VS Red Team,

and the ref wants the Blue Team to win, so he helps the Blue Team win the calling fouls for them or not calling foals for the Red Team.

He is being biased.

the answer for apex is the lowest

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.