a heavy piece of hanging sculpture is suspended by a 90 cm-long, 5.0 g steel wire. when the wind blows hard, the wire hums at its fundamental frequency of 80 hz.

What was most likely a question that inspired leeuwenhoek, koch, and petri as they developed new technologies while exploring germ theory? how can broken bones be healed more quickly? how can scientists see germs more clearly and easily? what makes some foods more dangerous? what is the one medicine that can heal all diseases?