Question

Which gas is most abundant in air?

Answer 1

Abundant gas:

• Nitrogen is the most plentiful gas on the earth.
• The most abundant naturally occurring gas is Nitrogen (N₂), which makes up about 78% of air.
• The Earth's atmosphere is composed of approximately $78\%$ nitrogen, $21\%$ oxygen, and $1\%$ argon.
• Nitrogen is needed for all metabolic process.
• It is obtained by animal eating plants and other animals.