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Yo can someone help me out

Yo can someone help me out-example-1

2 Answers

6 votes
The answer is A because it is the one thing that was not changed
User Marses
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5 votes
A constant is something that is kept the same throughout the course of a experiment. So I would guess C) because they are not doing anything special. If it’s not C then it is A. :)
User Mirella
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