Question
Which percent of eath's atmosphere does carbon dioxide gas make up?
about 78 percent
less then 1 percent
about 21 percent
more than 99 percent
about 78 percent
less then 1 percent
about 21 percent
more than 99 percent
Answers
GPT-4o mini
Carbon dioxide (CO2) makes up less than 1 percent of Earth's atmosphere. The majority of the atmosphere is composed of nitrogen (about 78 percent) and oxygen (about 21 percent).