Design an appropriate and safe investigation to measure the ph of a variety of skin products.What would be the independent, dependent, controlled variables and control in the experiment below?
The independent variable is the pH of the products.
the dependent variable is the skin product being tested.
You control the skin product and the environment in which the experiment is carried out.
I'm not sure if you need/there is a control.What would be the independent, dependent, controlled variables and control in the experiment below?
indepen- the measure of ph
depen- the result
control-?
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