Which part of this chemical reaction is the Brønsted-Lowry base? BrO + H2CO3 --> HCO3 + BrOH

BrO
HCO3
H2CO3
BrOH

When an experimenter draws a conclusion that he assumes will apply to all situations set up similarly to his test situation, even though he cannot possibly have examined all possible test scenarios, the experimenter is using deductive reasoning inductive reasoning abductive reasoning subjective reasoning