A: He checked it with a portable microscope he carried with him.
How did scientist Louis Pasteur make sure the food he was served at the homes of his friends was safe to eat?
by Dr. Lonna Denny | Nov 25, 2014 | Newsletter
by Dr. Lonna Denny | Nov 25, 2014 | Newsletter
A: He checked it with a portable microscope he carried with him.
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