Lol, That's for my science homework!
Wish someone had answered this.....
Oh well. Do you come from mearns castle high?
96.5 carbon dioxide 3.5 nitrogen 1 ./. argon
all elements present in group 18 are gases.
they are present in very small amounts
Hydrogen
van der Vaals forces of attraction is present in solids, liquids and gases.
the gases are mostly nitrogen and oxygen
Layers of gases are present in atmosphere. It was discovered by Mario Molina.
96.5 carbon dioxide 3.5 nitrogen 1 ./. argon
The two most abundant gases on Earth are nitrogen and oxygen.
some noble gases is present inside it
Many gases are present in the universe, but the most abundant is hydrogen
i have no clue
Carbon Dioxide
methane'
Nitrogen
oxygen
all elements present in group 18 are gases.