Question
Almost 99% of Earth's atmosphere is made up of two gases. What are the two gases and the percents of each?
Responses
A 21% oxygen and 78% nitrogen21% oxygen and 78% nitrogen
B 21% water vapor and 78% oxygen21% water vapor and 78% oxygen
C 21% nitrogen and 78% oxygen21% nitrogen and 78% oxygen
D 21% carbon dioxide and 78% oxygen21% carbon dioxide and 78% oxygen
Responses
A 21% oxygen and 78% nitrogen21% oxygen and 78% nitrogen
B 21% water vapor and 78% oxygen21% water vapor and 78% oxygen
C 21% nitrogen and 78% oxygen21% nitrogen and 78% oxygen
D 21% carbon dioxide and 78% oxygen21% carbon dioxide and 78% oxygen
Answers
GPT-4o mini
The correct response is:
**A 21% oxygen and 78% nitrogen.**
These two gases, oxygen and nitrogen, make up the majority of Earth's atmosphere.
**A 21% oxygen and 78% nitrogen.**
These two gases, oxygen and nitrogen, make up the majority of Earth's atmosphere.