7000 chemicals. ..........
Answer:
Please, add some info about topics and recommended topics list
<span>The correct answer is C-analgesics. They are the pain-killers and produce an effect of analgesia. They have nothing to do with the micro-organsim caused infection, as neither do they stop microbial growth, nor the analgesics kill them. Rest 3 tools act upon the microbes, and have reduced the number of infection-related mortalities. </span>
