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

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

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

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

The dependent variable is the amount of pollution, and the independent variable is the gasoline containing different amounts of lead.

SO is is A B C or D

D) The amount of pollution is the dependent variable and gasoline containing different amounts of lead is the independent variable.