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Umnica [9.8K]
3 years ago
8

How many factors should a well-designed experiment test at one time?

Biology
1 answer:
Advocard [28]3 years ago
4 0

Answer:

  1. And the variables (independent and dependent variables)
  2. Experimental group
  3. Control group
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Learn More:

For more on phenotype check out;

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