What happens when food and chemicals mix ... We're talking lab safety in chem class today! #teach180 http://pic.twitter.com/so3Qv7mLrt
— Michelle Vanhala (@MsVanhala) September 12, 2017
What happens when food and chemicals mix ... We're talking lab safety in chem class today! #teach180 http://pic.twitter.com/so3Qv7mLrt
— Michelle Vanhala (@MsVanhala) September 12, 2017
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