Farmers that select for breeding only trees that produced the largest fruit or cows that produced the most milk would be an example of
a. artificial breeding
b. artificial selection
c. artificial variation
d. inherited variation

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 believe the answer is a or 1