olivarestovar2 olivarestovar2
  • 14-01-2015
  • Biology
Answered

explain why you cannot draw a conclusion about the effect of one variable in an investigation when the other key variables are not controlled

Answer :

stshelbymt stshelbymt
  • 14-01-2015
The variables that aren't controlled can effect the results as well as the variable you are controlling. With more that one key variable changing, you cannot draw a conclusion about the effects of any of them.
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