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Which statement BEST describes antibiotic resistance?


Antibiotic resistance occurs when the body builds up a resistance to antibiotics.

Antibiotic resistance can occur when bacteria are exposed to an antibiotic.

Antibiotic resistance occurs when antibiotics are not used.

Antibiotic resistance is a big problem in the United States, but not the world.

Respuesta :

I would say "when bacteria are exposed to an antibiotic" but just so you know, it has to be exposed several times before it developes resistance.

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