Why are people called people.

People are call people because a group of human being in a group is call people; we're all people.

Explanation:

b

is correct hope this   also i learnd this in middle school

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme