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?\nrobert koch\nanton van leeuwenhoek\nlouis pasteur\nalexander fleming

which scientist devised tests that helped confirm that bacteria and other microorganisms cause a variety of diseases?\nrobert koch\nanton van leeuwenhoek\nlouis pasteur\nalexander fleming

Answer

Answer:

A. Robert Koch

Brief Explanations:

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