Question

Which correctly list the three gases that each make up less than 1 percent of Earth’s atmosphere?

argon, water vapor, carbon dioxide
oxygen, argon, water vapor
nitrogen, oxygen, carbon dioxide
carbon dioxide, oxygen, argon

Answers

GPT-4o mini
The correct list of the three gases that each make up less than 1 percent of Earth’s atmosphere is:

**argon, water vapor, carbon dioxide**

While argon is approximately 0.93% of the atmosphere, carbon dioxide is around 0.04% (though it can vary), and water vapor can also vary but is generally considered to be less than 1% of the atmosphere in a given sample, making this the best choice among the options provided.