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Masteriza [31]
3 years ago
15

Antibiotics have been used to treat bacterial infections since the 1940s. In

Biology
1 answer:
mamaluj [8]3 years ago
4 0
The first answer because it’s natural selection when the weak die off the the strong get stronger also the strong produces more which stops antibiotics form working which is why we have antibiotics consistently changing
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Answer:

C

Explanation:

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Answer:

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Explanation:

Hope it helps!

If not, I'm sorry I couldn't help :(

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