Dead bodies begin to lose water almost immediately. Although some weight is gained by oxidation, more is lost to evaporation and gaseous deterioration. The calcified bones remain, but without the marrow and fluids they are only half of their "living" weight.
Lighter
heavier because they are two different weights
lighter
It depends on what your doing with it. If your towing, heavier. If your on the beach, lighter.
heavier when frozen
lighter
Helium is lighter than air
It is lighter
heavier by almost 1 amu
Darker or heavier depending on meaning of lighter
LIGHTER
it is lighter than water.