Q. What volume of the Earth's atmosphere does nitrogen constitute?
Answer: 78 %
Notes: Nitrogen and Oxygen are the two main gases in the atmosphere. they make up 99 % of the atmosphere. Nitrogen alone accounts for 78 % of the total atmospheric volume. It is an important constituent of all organic compounds.

This Question is Also Available in:

हिन्दी
This question has been sourced from GKToday's "40000+ GK / General Studies MCQs for SSC & State PCS Exams" App Exclusive Course in GKToday Android Application which provides more than 40K General Knowledge and General Studies questions with explanations asked in all Competitive Exams of India.
📌 Question Number: 70 in Climatology - Atmosphere, Winds, Humidity, Clouds, Rainfall in the above course in App.