Mars does have an atmosphere. Not all planets do. Yes Ammonia is present in it and a type of acid (I can't remember what kind) However it is fatal to humans.
Mars' moons have no atmosphere
Distribution of methane is in the atmosphere of mars.
Venus has a low atmosphere and it is rally hot
mars atmosphere pressire is 00.7 millibars
Mars's atmosphere is thinner than Earth's atmosphere, Earth's atmosphere is also mostly Nitrogen and Oxygen, while Mars' is mostly Carbon Dioxide. Mars also doesn't have an ozone layer to protect it from ultra-violet rays.
mars doesnt have an atmosphere ...
Mars' moons have no atmosphere
Distribution of methane is in the atmosphere of mars.
The atmosphere on Mars is mostly carbon dioxide.
Mars has a very thin atmosphere. Based on astronomical measurements and information from Mars probes sent by NASA, carbon dioxide dominates the atmosphere of Mars.
no atmosphere
what is an atmosphere for mars
Venus has a low atmosphere and it is rally hot
Mars has an atmosphere that's about 95% carbon dioxide.
mars atmosphere is thinner and lacks oxygen or water
The atmosphere on Mars is thin because it is 95.72% carbon dioxide.
Yes, all planets have atmosphere but to my knowledge mars' is not breathable.