Asked by LOVE
Brand X Brand Y No cleanser
Area(mm2) Area (mm2) Area (mm2)
0,0,0 0,0.25,1.0, 0,0.50,
,0.20 2.75 1.25,3.0
Which of the following is a
constant, or control variable, in this experiment?
The brand of cleanser that didn't work. (MY ANSWER)
The results observed over four days.
The brand of cleanser that worked best.
Area(mm2) Area (mm2) Area (mm2)
0,0,0 0,0.25,1.0, 0,0.50,
,0.20 2.75 1.25,3.0
Which of the following is a
constant, or control variable, in this experiment?
The brand of cleanser that didn't work. (MY ANSWER)
The results observed over four days.
The brand of cleanser that worked best.
Answers
Answered by
Damon
I think your control is no cleanser.
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