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HACTEHA [7]
3 years ago
8

Zoe forgets to wash her hands before handling some samples in Petri dishes, and as a result, some of the samples become contamin

ated. What is a likely source of error in this experiment
Biology
1 answer:
Degger [83]3 years ago
4 0
The germs from her hands mixed with those in the petri dishes and some were contaminated 
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