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Needham vs. Spallanzani

Needham vs. Spallanzani

2. Disproving Spontaneous Generation / Needham vs. Spallanzani / Problem 3

Which experimental technique was employed by John Needham to back up his theory of spontaneous generation?

A

Boiling the broth, letting it cool for some time, and then sealing it.

B

Keeping broth in an open container at room temperature.

C

Filtering the air before the broth comes into contact with it.

D

Heating up the soup and tightly sealing it.

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