Some one who needs help!

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Questions

The following questions were asked by visitors named 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

Answers

The following answers were posted by visitors named Some one who needs help!.

I believe that it is B... Am I correct?

There is no experiment. The question is just provided as I posted it... But thank you anyway.