Question

Which of the following is the main source of carbon monoxide $\left(\text{CO}\right)$?

• A. Fungicides
• B. Pesticides
• C. Automobiles
• D. Household waste

Answer 1

The correct option is C Automobiles

Carbon monoxide $\left(\text{CO}\right)$ is a poisonous gas. The incomplete combustion of carbon-containing fuels, such as gasoline, natural gas, oil, coal, and wood leads to the formation of CO. Out of the given options, automobiles are the source of carbon monoxide $\left(\text{CO}\right)$ production.