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Kathy is going to do an experiment in which she will grow bacteriain four prepared petri dishes:

a sample swabbed from her unwashed hands
a sample swabbed from her hands after washing them with regular soap
another sample from her unwashed hands
a sample taken after cleaning her hands with hand sanitizer
What do you think the results will be? Write down your predictions for which samples will show the greatest and least bacteria growth.

Sagot :

planeoblimp

Unwashed ==> Most bacteria

Sanitizer == Will have less than Unwashed

Washed ==> least amount of bacteria

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