By volume, dry air contains …………………percentage nitrogen. / » Environmental Politics and Human Rights solved MCQs / By admin Question: By volume, dry air contains …………………percentage nitrogen. A. 20.95% B. 0.93 C. 78.09 D. 0.04% Answer» c. 78.09 Note: The above multiple-choice question is for all general and Competitive Exams in India.
