Any food that is not sterilized and sealed can contain disease-causing bacteria. Once sterilized and properly sealed,...

Nagham on November 6, 2020

Answer D

I don't understand how D is correct. D only says nonsterilized. Shouldn't it say "nonsterilized and not sealed" for us to be able to apply the first conditional correctly? Thank you in advance for your help!

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John on January 7, 2021

Hi, I am also interested in the answer to the question above. I read the first sentence as ~Sterilized AND ~Sealed --> Bacteria. However, if it were true that any nonsterilized food preserved by an acceptable method can contain disease-causing bacteria, then wouldn't the diagram read ~Sterilized OR ~Sealed --> Bacteria instead, since the answer fails to mention the seal?

on August 5, 2021

Yes, please explain!