16. The diagram below shows fossils in three layers of rocks, (4 points) Layer C
Layer B
Layer A
Which of these conclusions is most likely correct about the organisms found in the layers of rocks?

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.