Question

Why does a dead body float in water?

Answer 1

When a cadaver is found in a water body there can be two possibilities regarding the cause of death 1. The person died because of drowning

Answer 2

Why does a dead body float in water?

When someone drowns and dies, the body starts to sink because the air in its lungs is replaced produce enough gas like methane, hydrogen sulphide & carbon dioxide.

As the gas is light the body float back to surface of water.slowly with water thus increasing density.

It remain submerged for some days until the bacteria in the gut and chest cavity.