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