Question

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.(1 point)
Responses

i= conducting a science experiment
d= the amount of pollution
i equals conducting a science experiment d equals the amount of pollution

i= gasoline containing different amounts of lead
d= type of car
i equals gasoline containing different amounts of lead d equals type of car

i= the amount of pollution
d= gasoline containing different amounts of lead
i equals the amount of pollution d equals gasoline containing different amounts of lead

i= gasoline containing different amounts of lead
d= the amount of pollution

Answer 1

i = gasoline containing different amounts of lead
d = the amount of pollution

Independent variable: gasoline containing different amounts of lead
Dependent variable: the amount of pollution