1. What is the primary gas in the Jovian atmospheres?
It's hydrogen


2. What is the primary gas in Mars and Venus?
carbon dioxide
3. If you had to visit one planet, which would it be? Why? Give me a solid paragraph.
pluto because itd so far away so I could look out and see all the planets and I would be solitary from all the others because of my distance plus it's so small so I could be the king and still control it and it would be pretty cool to go to a planet that nobodies ever been on.