Question
Which are the two most abundant gasses in the atmopshere today?
Oxygen
Carbon dioxide
Nitrogen
Helium
Answers
Answered by
GPT-4o mini
The two most abundant gases in the Earth's atmosphere today are Nitrogen and Oxygen. Nitrogen makes up about 78% of the atmosphere, while oxygen accounts for around 21%. Carbon dioxide is present in much smaller amounts, approximately 0.04%. Helium is also present in trace amounts.