way to much to count
All of it All of it
All oceans have living things in them, this includes Fish
There are all sorts of different fish in the oceans and seas, and there are many different diets associated with them. There is no one food that ALL saltwater fish will eat.
yes
Atlantic ocean, pacific ocean, india ocean
Oceans are part of the hydrosphere. The hydrosphere is all the water on Earth at any given moment.
Starfish live in all oceans.
Deep sea angler fish live in all oceans deep enough for their life, salinity, and preasure limitations. They have been found in all deep seas.
Um... yes. Humans pretty much have explored all the Earth's oceans. I get the feeling you were trying to ask a question to which the answer is less obvious.
The ocean ridge.
Yes they do they live in all oceans
Flying fishes live in all the oceans.