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.
Five-passenger seating. Fold down rear-seat armrest with two beverage holders. 10-way power driver and passenger seats. Driverâs seat â Two memory settings. Second-row Heated Seats. Heated/cooled front seats. Map pockets â front seat back. Rear head restraints - Fixed outboard with center adjustable.