The pressure
the animals
Temperature decreases with depth.
The deeper the bubbles are in the ocean, the greater the pressure is. As they rise to the surface, the pressure decreases, allowing the bubbles to expand.
light, light decreases with depth, affecting photosynthesis The deeper in the ocean you go, the less sunlight is present, and the less vigorous are algae. At some particular depth, the algae can no longer support themselves, so they cannot live at the depth (or deeper).
it decreses
the deeper you go, the colder the ocean water gets
the pressure increases i forgot why but that's what i know
lower
increase
The Atlantic Ocean is deeper than the Indian ocean.
under toe
because of the pressure that's why the ocean get's deeper :)