Answer:
Visiting unknown websites and opening unfamiliar emails
Explanation:
If you open up emails that are unfamiliar they can cause viruses on your computer. Visiting suspicious website could have ads with viruses built into to the web page.
<span>Under anaerobic conditions, pyruvate can be broken down by Fermentation
Under anaerobic conditions, there will be no oxygen left within the cell, When this happen, pyruvate will be converted into some form of lactic acid.
This type of substance could be converted into a form of alcohol, so it could be considered as a fermentation process.</span>