Chemistry, 02.03.2020 19:31 joeylozier15

The rule for controls is that
OA) controls are only necessary if you're not doing an experiment
OB) everything should remain the same between experimental groups
there should be only one independent variable and one dependent
variable
OD
the only change we make between experimental groups is to the
independent variable
OC

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The rule for controls is that
OA) controls are only necessary if you're not doing an experimen...