Hydrogen, Helium, Neon, Argon, Krypton, Xenon, and Radon are the noble gases. Im not sure if there are more.
All planets have gases, they are just elements that happen to be in the air vs in the water or in the ground. Although there are gases that can be found in both I believe.
567 gases in the world
The warmth of the sun and the global winds mix the greenhouse gases all round the world, so there is nowhere that has more, or less of the greenhouse gases.
there are allot of gases go to google
there are probably more than 20 gases in the world hehe :)
all of them are because they are all gases
Yes, all ladybugs expel gases. All living things expel gases.
No, In fact nearly all gases won't contain it, for example all gases on the periodic table won't contain it
No, not all gases have a distinct smell. Some gases are odorless and cannot be detected by smell alone.
1) they are all gases 2) they are all monoatomic
In simple terms they all have the stable octet.
the noble gases would be the lightest, as they are all gases