Question: What is the composition of mars' atmosphere?
Disambiguated questions and answers: question: What is the composition of mars' atmosphere of Carbon dioxide?
What is the composition of mars' atmosphere of Nitrogen?
What is the composition of mars' atmosphere of Argon?
What is the composition of mars' atmosphere of Oxygen?
What is the composition of mars' atmosphere of Carbon monoxide?
What is the composition of mars' atmosphere of Water vapor?
answer: 95.32%
2.6%
1.9%
0.174%
0.0747%
0.03%
Natural Questions answer: Argon </Th> <Td> 1.93 %
Nitrogen </Th> <Td> 1.89 %
Oxygen </Th> <Td> 0.146 % (from the Wikipedia article "Atmosphere of Mars")