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21-02-2020
Chemistry

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How did surgeon Joseph Lister kill the bacteria in urine specimens he had been studying?

A.He added bleach to the samples.
B.He added mold spores.
C.He froze the samples.
D.He raised the temperature of the samples above 212°C.

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Аноним Аноним

21-02-2020

Answer:

A.He added bleach to the samples.

Explanation:

Bleach destroys the chemical composition of bacteria. Adding mold spores, freezing samples, and raising the temperature all result in physical changes, but not chemical changes, so specimens remain alive.

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