climate zone
The cause is mostly from pollution
because the water is to dark and cold
The ocean is turning black because of poulution.
The Umbra is completely dark. Partially Dark is Penumbra.
Ocean Blue eye shadow is not a dark shade at all. The Ocean Blue eye shadow is a very light, but very pretty shade of blue that actually has the same tint of crystal clear, ocean water.
The Dark Ocean was created in 1985.
the more you go down the denser the water gets until the water is so dense that the sunlight can't reach the bottom of the ocean.
Not unless you have a definition of "completely dark" that means something other than completely dark (i.e. no light whatsoever).
3 miles below sea level is approximately 15,840 feet below the surface of the ocean. At that depth, the water pressure would be extremely high and the environment would be completely dark.
Deep Dark Ocean was created in 1997.
Ocean water is more dense due to the salt content. Weigh the water. If the weight per mL exceeds 1g/mL it is the ocean water.
Basking sharks normally swim close to the surface.