Question

Name any two principal pollutants emitted by vehicles

Answer 1

Hey there! Here's your answer :

Two principal pollutants emitted by vehicles are carbon monoxide and hydrocarbons.

I really hope that helped! If it did, please mark my answer as the Brainliest!

Answer 2

Nitrogen Oxide and Carbon Monoxide are the two major principle pollutants that are emitted by vehicles.

Detailed Explanation :

• The pollutant that is caused by direct emission from a particular source is called primary or principle pollutant.
• These pollutants are formed in lower region of atmosphere due to the occurrence of chemical reactions.
• Some examples are : particulate matter, oxides of carbon, sulphur dioxide, oxides of nitrogen etc.
• All these pollutants have detrimental effect on human health and environment.