Answer:
Antibiotics are compounds produced by bacteria and fungi which are capable of killing, or inhibiting, competing microbial species. ... But it was not until 1928 that penicillin, the first true antibiotic, was discovered by Alexander Fleming, Professor of Bacteriology at St.
Answer:
maybe C because it says different kind of fish that live in one area that is a lake
Answer: D
They often occur spontaneously, because when energy is released during a chemical reaction it does not usually happen slowly.
