Answer: The heat escape lessening posture (HELP)
Explanation: Hypothermia is the effect of long immersion in cold water thereby losing body heat faster.
The heat escape lessening posture helps to combats hypothermia and can be a lifesaver to people in cold water.
The huddle position can also help in preserving the body heat especially when there are two or more people in the water at the same time. Making sure they huddle together keeps them warm.