Question
Which percent of Earth’s atmosphere does carbon dioxide gas make up
(1 point )
More than 99 percent
Less than 1 percent
about 21 percent
about 78 percent
(1 point )
More than 99 percent
Less than 1 percent
about 21 percent
about 78 percent
Answers
GPT-4o mini
Carbon dioxide gas makes up **less than 1 percent** of Earth's atmosphere.