Question : Which of the following is an air pollutant?
I Water vapour
II Carbon dioxide
III Hydrogen Gas
Option 1: Only I
Option 2: Only II
Option 3: Only III
Option 4: Both II and III
Correct Answer: Only II
Solution : The correct option is Only II .
Carbon dioxide (CO 2 ) is classified as an air pollutant when it is found in high concentrations in the Earth's atmosphere, causing harmful impacts on the ecosystem, and climate. Human actions such as fossil fuels, have considerably boosted its concentration. The fundamental issue with increasing CO 2 levels as an air pollutant is its role as a greenhouse gas, which leads to global warming.
Related Questions
Know More about
Staff Selection Commission Sub Inspector ...
Result | Eligibility | Application | Selection Process | Cutoff | Admit Card | Preparation Tips
Get Updates Brochure
Your Staff Selection Commission Sub Inspector Exam brochure has been successfully mailed to your registered email id “”.
