Hydrogen, helium, ammonia, methane, neon, coal gas and pure nitrogen are all lighter than air. A pocket of air can be made lighter than the surrounding air by heating it. Continue Reading.
Related Questions. 1  Do 2015 Jeep Wrangler Sports have back air vents 1 answer I recently bought a 2015 Jeep Wrangler Sport and I am not sure if it has back air vents or not... If it does I can't seem to find them.
The Suburban has a maximum 137.4 cubic feet of cargo room; the Expedition has 108.3 cubic feet, and the more carlike-riding Chevrolet Traverse has 116.3 cubic feet. Most minivans offer 140 to 150 cubic feet of total cargo space with the seats folded or removed.