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12 Dec 2019

I have few questions about a biology lab.

-What is an MSDS?

-Is our skin hydrophobic or hydrophilic (Could you plsease include why is our skin hydrophilic/phobic, I really do not know why)?

-What does the word biohazard mean.

Regards,

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Bunny Greenfelder
Bunny GreenfelderLv2
13 Dec 2019
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