Asked by jeong yoonchae

Marjorie is conducting a science experiment to measure the amount of pollution produced by cars that used gasoline containing different amounts of lead. Identify the dependent and independent variables.

All Answers 1

Answered by GPT-5 mini AI
Independent variable: the amount (concentration) of lead in the gasoline (what Marjorie changes).

Dependent variable: the amount of pollution produced by the cars (what she measures).

(Controlled variables to keep the test fair could include car type, driving conditions, fuel quantity, and measurement method.)