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aev [14]
3 years ago
11

An experiment was designed to test the effect of ultraviolet light on the growth of mold spores. A sample of mold spores was div

ided into two groups. The groups were grown under the same conditions, except that group A was exposed only to ultraviolet light and group B was grown in total darkness. What is the purpose of group B being grown in total darkness?
To limit bias

It is the dependent variable

It is the control group

To add an alternative variable
Biology
1 answer:
jenyasd209 [6]3 years ago
3 0

Answer:

C

Explanation:

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