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This experiment, you compare several unknown powders to known powders. What is the name given to all of the known materials used for comparison in this experiment? A.quantities B.controls C.constants D.
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This experiment, you compare several unknown powders to known powders. What is the name given to all of the known materials used for comparison in this experiment?

A.quantities
B.controls
C.constants
D.variables

User Jerdine Sabio
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2 Answers

6 votes

the correct answer is B .Controls

User Garret
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B. Controls: The known powders attributes are already studied, so the are used as control measures to compare with the findings in the experiment with the unknown powders.
User Aerodynamic
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