(klÅt) n. 1. A thick, viscous, or coagulated mass or lump, as of blood. 2. A clump, mass, or lump, as of clay. 3. A compact group: a clot of trucks blocking the tunnel's entrance.
Bodies start to float once the gas from decomposition replaced the  water inside the lungs. It is effected by the depth and temperature  or the water. In warm water it can bâ¦e as soon as 1 to 2 days in 80  degree water, or as much as 14 to 20 days in freezing cold water.
2) Swimming failure can happen from three to 30 minutes. 1  Cold water stiffens your muscles, making swimming to stay. aloat, zipping on a life vest, or reboarding a boat, nearly. impossible! 3) Hypothermia. After 30 minutes your core temperature. begins to fall, which can eventually lead to unconsciousness. and death.