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AlladinOne [14]
3 years ago
7

Give two reasons why it is important to wash your hands both before and after completing a lab.

Health
1 answer:
Arlecino [84]3 years ago
5 0
You do it before a lab so as to prevent contamination of the materials. You might have things on your hands that might contaminate the experiment and the research. You do it after because you don't want to have things from your experiments on your hands because that can be extremely dangerous.
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