WBCS.LIVE practice question

Which gas is most abundant in earth’s atmosphere?

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

Answer options

  1. Oxygen
  2. Carbon dioxide
  3. Nitrogen
  4. Neon

Correct answer and explanation

Correct answer: Nitrogen

Explanation: ✅ Correct Answer: C. Nitrogen 📚 Explanation: Nitrogen is the most common gas in our atmosphere, making up about 78% of the air we breathe. it is a relatively stable gas that is essential for life on Earth. Oxygen is the second most abundant, at roughly 21%. Nitrogen plays a key role in the nitrogen cycle, providing essential nutrients for plants and soil.