To Test Whether a Chemical Found in Many Common Plastic

question 92

Multiple Choice

To test whether a chemical found in many common plastic items is toxic, researchers fed different amounts of the chemical (from 0 to 20 micrograms) to mice and later performed a blood test to determine the amount of toxins present in each mouse.To create a scatterplot of the data, which variable should be listed on the x-axis?

• A) independent variable, which is the amount of the chemical given to the mice
• B) dependent variable, which is the amount of the chemical given to the mice
• C) independent variable, which is the amount of toxins present in the blood test
• D) dependent variable, which is the amount of toxins present in the blood test

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