Which of the following gases are found in the atmosphere of Mars

a) Neon and Ammonia

b) Nitrogen, carbondioxide, argon, Oxygen and Krypton

c) Nitrogen, Sodium and Nitrogen

d)Ethane, Phoshpine, Neon

 the exact composition of the atmosphere on mars is 95.3% carbon dioxide, 2.7% nitrogen and 1.6% argon, with smaller amounts of oxygen(0.15%) and water vapor (0.03%)