Eli5 If putting something under pressure increases the temperature why is the bottom of the ocean so cold?

Question

Eli5 If putting something under pressure increases the temperature why is the bottom of the ocean so cold?

In: 561

Answer 1

Friction from pressure squeezing things causes heat. Once that pressure equalizes it doesn’t increase heat energy as no energy transfer is still happening.

So the bottom of the ocean is so cold due to distance from sunlight.