WBCS.LIVE practice question

Among CO₂, H₂O vapour, CH₄ and CO, the most abundant Greenhouse gas is

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. CO₂
  2. CO
  3. H₂O vapour
  4. CH₄

Correct answer and explanation

Correct answer: H₂O vapour

Explanation: ✅ Correct Answer: C) H2O vapour 📚 Explanation: Water vapor (H2O vapour) is the most abundant and naturally occurring greenhouse gas in the Earth's atmosphere. it plays a major role in the natural greenhouse effect that keeps the planet warm enough for life. While gases like CO2 and methane are significant because they are increased by human activities, water vapor accounts for the largest percentage of the heat-trapping effect. Its levels are closely linked to temperature and evaporation.