WBCS.LIVE practice question

Which gas is most abundant in the 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. Argon

Correct answer and explanation

Correct answer: Nitrogen

Explanation: āœ… Correct Answer: C) Nitrogen šŸ“š Explanation: The Earth's atmosphere is composed of a mixture of various life-sustaining gases. Nitrogen is the absolute most abundant gas, making up approximately 78% of the total atmospheric volume. Oxygen comes in second, constituting about 21%, while trace gases like argon and carbon dioxide make up the rest.