Respuesta :
Alcohol is a toxin. So the correct option is A. Toxin kills cells such as microorganisms, that's why alcohol is used to preserve food and sterilise skin, needles etc.
What is toxin?
Toxin is a naturally occurring organic poison produced by metabolic activities of living cells or organisms. Toxins occur especially as a protein or conjugated protein.
Alcohol can kills humans too. A dose only four times as high as the amount that would make blood levels exceed and can lead to death.
For more information regarding alcohol, visit:
https://brainly.com/question/947751
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