Question

वायु में नाइट्रोजन का प्रतिशत है।
A) 20.95%
(B)79%
(C)81%
(D) 95%​

Answer 1

Answer:

78%

Explanation:

Nitrogen makes up 78 per cent of the air we breathe, and it's thought that most of it was initially trapped in the chunks of primordial rubble that formed the Earth. When they smashed together, they coalesced and their nitrogen content has been seeping out along the molten cracks in the planet's crust ever since.