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3 votes
Helllllllpppppp please

Helllllllpppppp please-example-1
User Mardie
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5.1k points

1 Answer

4 votes

Answer:

A good experiment must include all possible causal factors in one experimental group.

Step-by-step explanation:

i cant tell if thats a choice but if not then none of the above i guess

User Shane S
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5.6k points