<span>harsh conditions.
</span><span>high scalers' work </span>
Answer:
I believe the answer is a single bacteria cell.
It would be an antioxidant, and the most commonly used antioxidant would be absorbic acid.<span />
If you are doing a quiz...then maybe you need this...
https://quizlet.com/137205156/exam-3-bio-102-gleeson-flash-cards/