Beneath which surface location is earth's crust thinner

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.

Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective

Which was not a reason why canals were built in florida