Which moon has a substantial atmosphere?

Titan

Explanation:

It is the only moon in our solar system known to have a substantial atmosphere, which is mostly nitrogen like Earth's. This moon is the largest of Saturn's Moons.

Hope this helped! :)

hfjfhjf fhjf ffhi is that a really good night for me that i would love ya ya i know i love ya ya know ya i know you got it but i don’t know what i was you’re your friend you didn’t even know that i had it rand right now i don’t have time for that to get to know that i’m not even a big fan ii this was my first time in the morning

no sé si entiendes español pero te daría la respuesta si lo supiera, pero lo siento mucho