Bacteria become antibiotic-resistant over time as a result of

Antibiotic resistance is the ability of microbes to resist the effects of an antibiotic. Antibiotic resistance in the microbes or bacteria occurs when bacteria change in a way that the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections is reduced or eliminated. The bacteria survive and continue to multiply causing more harm.

c is the answer to this question. altitude affects the weather because air molecules evaporate.

the answer you are looking for is the united states forest service.

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