Originally Posted by
majicbar
The body grows cold by dissipating heat, which would travel upwards but it would raise ambient temperature of the air above the body, creating dryer warmer air, not colder more moist air. So yes it would be "impossible"; clearly you meant just, 'possible': double negative rule.
French experiments were done at the end of the 1800's as to weight loss of a body at death, the accounted for all these factors and found slight weight loss upon death, but no change to the air at all.