How is liquid propane used in hot air ballooning?
lowered energy cost The area was once underwater to expand the balloon energy of moving objects activation energy hydrogen and oxygen It remains dormant to move people
A B C D E F G H
Liquid propane is used to heat hot air balloons.
liquid propane is used to expand hot air balloons
How is liquid propane used in hot air ballooning? (A) lowered energy cost (B) The area was once underwater (C) to expand the balloon (D) energy of moving objects (E) activation energy (F) hydrogen and oxygen (G) It remains dormant (H) to move people