Answer:
c. tolerance
Explanation:
According to my research on studies conducted by various professionals, I can say that based on the information provided within the question this is an example of tolerance. This happens when a toxin is introduced to the body various times, the body begins to develop a sort of immunity to that toxin and is able to tolerate it without having the same effects like before.
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Can your question be a bit more specific please? It could be anything from a certain species of plant or animal to a land region to agriculture and domesticated plants and animals.
It depends how far back you are talking about. If you are talking back to the 1700s it would be cotton. If you are talking about a time period even father back than that, sorry, I can't help. Hope this helped.
