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morpeh [17]
3 years ago
13

Alexander Fleming discovered a type of that kills bacteria, which led to the development of Penicillin.

Biology
2 answers:
blagie [28]3 years ago
3 0

Answer:

mold juice

Explanation:

jeyben [28]3 years ago
3 0

Answer:

mold

Explanation:

he used was studying molds and how they formed when he accidentally discovered an antibiotic substance.

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