Respuesta :
The correct options :
- The Independent variable in part I is the type of material.
- Independent variable in part II is a change of an object.
- The Independent variable of part III is the movement of the magnet
- Variable in part IV is the presence of the electrical field.
What is an independent variable?
An independent variable is one that is not affected by any other variable and an example of this is someone's age. The variable that is intentionally manipulated is a type of material.
The variable that is intentionally manipulated is the change of the object and the independent variable that is manipulated in four is the presence of an electrical field.
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