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.
Like the Caliber, Avenger had a chilled beverage storage bin that could hold and chill (if the air conditioning was on) four cans. Drivers sat 2.5 inches higher than they did in the Dodge Stratus, and enjoyed 101 cubic feet of cabin space (7 cubic feet more than the Stratus). There were 2.5 inches more headroom, 1.2 inches more shoulder room, and an inch more hip room in the front seat.