Question

what is a antibiotic. plz​

Answer 1

An antibiotic is a type of antimicrobial substance active against bacteria and is the most important type of antibacterial agent for fighting bacterial infections. Antibiotic medications are widely used in the treatment and prevention of such infections. They may either kill or inhibit the growth of bacteria

Answer 2

antibiotic is actually protein or any chemical that is obtained from bacteria and used to kill or stop the growth of other pathogens (basically bacteria).