Games like tag and hide and seek are examples of:

A: Constructive play
B: Fantasy play
C: Creative play
D: Motor play
E: Parallel play

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

i have to report this, it doesn't relate to biology