What are the major elements of Mars atmosphere?

Answer 1

Over 95% is carbon dioxide.

The rest is: 2.7% nitrogen, 1.6% argon, 0.2% oxygen, 0.07% carbon monoxide, 0.03% water vapor, 0.01% nitric oxide, and any of the remaining elements are under a few parts per million.

Answer 2

{| ! style="LINE-HEIGHT: 1.1em" | ! style="LINE-HEIGHT: 1.1em" | Composition | 95.72% Carbon dioxide

2.7% Nitrogen

1.6% Argon

0.2% Oxygen

0.07% Carbon monoxide

0.03% Water vapor

0.01% Nitric oxide

2.5 ppm Neon

300 ppb Krypton

130 ppb Formaldehyde

80 ppb Xenon

30 ppb Ozone

10 ppb Methane

|} {| ! style="LINE-HEIGHT: 1.1em" | ! style="LINE-HEIGHT: 1.1em" | Composition | 95.72% Carbon dioxide

2.7% Nitrogen

1.6% Argon

0.2% Oxygen

0.07% Carbon monoxide

0.03% Water vapor

0.01% Nitric oxide

2.5 ppm Neon

300 ppb Krypton

130 ppb Formaldehyde

80 ppb Xenon

30 ppb Ozone

10 ppb Methane

|}

Answer 3

Mars has an atmosphere that's about 95% carbon dioxide.

Answer 4

The major elements in Mars' atmosphere are carbon dioxide (95.3%), nitrogen (2.7%), argon (1.6%), and trace amounts of oxygen and water vapor.

Answer 5

carbon dioxide