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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


Team Careers360 20th Jan, 2024
Answer (1)
Team Careers360 23rd Jan, 2024

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.

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