You can also view previously answered questions in the HSW Question Archive . A catyltic converter is a device that uses a catalyst to convert three harmful compounds in car exhaust into harmless compounds.
Carbon monoxide is a poison for any air-breathing animal.
Nitrogen oxides lead to smog and acid rain, and hydrocarbons produce smog. The catalyst helps to convert carbon monoxide into carbon dioxide. It converts the hydrocarbons into carbon dioxide and water. It also converts the nitrogen oxides back into nitrogen and oxygen. Inc. All rights reserved.