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3 votes
When a scientist is designing an experiment, _____ groups are made.

1
2
3
4

User Ememem
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2 Answers

7 votes
Two groups are made
User Jaor
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7.0k points
4 votes

Answer:

Scientist makes 2 groups.

Step-by-step explanation:

One experimentle group and other is controle group.

User Shuang
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