Skill 2 of 4 · Using Numbers and Graphs in Social StudiesClose Dependent and independent variables
Identify a factor being changed or compared and the outcome that may depend on it.
- The independent variable is the possible cause or input.
- The dependent variable is the measured outcome.
Question 1 of 4
Researchers compare the amount of coal burned each year with the amount of carbon dioxide in the atmosphere.
If they are testing whether coal use affects carbon dioxide levels, what is the independent variable?
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