Asked by Some one who needs help!

Which is the independent variable in this experiment?

A) Enzyme concentration
B) Length of glass tubing
C) Temperature
D) Time

Thank you for your help and God bless
Answered by Some one who needs help!
I believe that it is B... Am I correct?
Answered by Ms. Sue
I can't tell without knowing what the experiment is.
Answered by Some one who needs help!
There is no experiment. The question is just provided as I posted it... But thank you anyway.
Answered by Ms. Sue
Baloney! The question asks about "this" experiment.
Answered by MasterChef
The experiment is on a table so here it is.
Effect of Temperature on Enzyme Action.
Test Tube 1: Temp-2C [Amount of Digestion after 48 hours: 0.0 mm]
Test Tube 2: Temp-10C [AD after 48 hours: 3.0 mm]
Test Tube 3: Temp-22C [AD after 48 hours: 4.5 mm]
Test Tube 4: Temp-37C [AD after 48 hours: 8.0 mm]
Test Tube 5: Temp-100C [AD after 48 hours: 0.0 mm]
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