What was proven by the work of louis pasteur during the industrial revolution? a. that potato crops often fail b. that the fertility rate was higher than the mortality rate c. that children are unsuitable for factory jobs d. that germs cause disease

What was proven by the work of Louis Pasteur during the Industrial Revolution was D. that germs cause disease.

Explanation:

Louise Pasteur (1822-1895) was a French chemist who proved the existence of microbes in air and who demonstrated that microoganisms cause disease. His "germ theory"was controversial at the time, but lead to major developments that changed healthcare forever. He also discovered how to make vaccines from attenuated microbes and was the one who developed the earliest vaccines against diseases like rabies and fowl cholera.

the national congress's powers over the states were specific and definite: it had the sole power to negotiate treaties, declare war, and make peace. all powers not granted to congress were reserved for state governments. congress had no power to levy taxes, for example.