PLZ HELP ME The passage below describes how a catalytic converter in a car works. How a Catalytic Converter WorksGases produced by a car’s engine fl ow through the catalytic converter, which contains metals. These metals start a chemical reaction that makes the gases released by the car less harmful to the environment.

The catalytic converter most likely was developed in response to...

(1) the demand for more energy-efficient cars
(2) the demand for increased car engine power
(3) a need for lower-priced cars
(4) a need to reduce air pollution