Using the same pipette
Why is it important to use the same pipette in adding for example bromocresol drops to the tubes I'm working on?
Thanks.
Thanks.
Why do you think?
Hint - variables.
Hint - variables.
Original post by ThisIsOurDecision
Why do you think?
Hint - variables.
Hint - variables.
Thanks for your reply.
Not getting it yet really. What are the variables that will exist here?
keep the control variables the same to make sure the test is valid- i think 
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