Majorie is conducting a sciene experiment to measure the amount of pollution produced by card that used gasoline containing different amounts of esd identify the dependent and independent variables
The independent variable in this scenario is the amount of ethanol in the gasoline used in the cars, as this is the variable that is intentionally manipulated by the researcher. The dependent variable is the amount of pollution produced by the cars, as this is the variable that is being measured and is expected to change in response to the changes in the independent variable.
