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HELP PLS I WILL SUK UR TOES IF U HELP ME

Certain strains of bacteria that were killed by the antibiotic penicillin in the past are now resistant. The probable explanation for this is that

HELP PLS I WILL SUK UR TOES IF U HELP ME Certain strains of bacteria that were killed-example-1
User Torrius
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2 votes

Answer:

b

Step-by-step explanation:

User Paramosh
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