Question:
What is the second most abundant gas in the atmosphere?
A
Oxygen
Explaination
Oxygen represents 21% of the Earth’s atmosphere, and nitrogen is about 78%. The remaining 1-2% is made up of carbon dioxide, argon, and helium.
What is the second most abundant gas in the atmosphere?
Oxygen represents 21% of the Earth’s atmosphere, and nitrogen is about 78%. The remaining 1-2% is made up of carbon dioxide, argon, and helium.