Which of these is the most predominant in the composition of atmosphere?

ان میں سے کون سا ماحول کی ساخت میں سب سے زیادہ غالب ہے؟

Oxygen

Nitrogen

Water vapour

Carbon dioxide

Nitrogen (N2) is the most abundant gas in the Earth's atmosphere

They make up about 78% of the atmosphere's composition.

Oxygen (O2) is the second most abundant gas