which scientist devised tests that helped confirm that bacteria and other microorganisms cause a variety of…

which scientist devised tests that helped confirm that bacteria and other microorganisms cause a variety of diseases?\no robert koch\no anton van leeuwenhoek\no louis pasteur\no alexander fleming

which scientist devised tests that helped confirm that bacteria and other microorganisms cause a variety of diseases?\no robert koch\no anton van leeuwenhoek\no louis pasteur\no alexander fleming

Answer

Answer:

A. Robert Koch

Brief Explanation:

Robert Koch devised Koch's postulates, tests to confirm bacteria and other microorganisms cause diseases. Anton van Leeuwenhoek was a pioneer in microscopy. Louis Pasteur made contributions to germ - theory and pasteurization. Alexander Fleming discovered penicillin.