Question

how does the property of water help it to sustain life in the sea?

Answer 1

Water is essential to life because of four important properties: cohesion and adhesion, water's high specific heat, water's ability to expand when frozen, and its ability to dissolve a wide variety of substances.  

Water Absorbs And Releases Heat

Water has a very high specific heat, which means it can take in a lot of heat before changing temperature. When compared to rubbing alcohol, for example, water takes longer to heat up and to cool down because of its high specific heat. Rubbing alcohol has a low specific heat, therefore it can't absorb as much heat as water.