The Triestes a Bathyscaph. In the 1960's I believe. But nothing has every been to the bottom of the trenches and came back.
Challenger deep is in the ocean, it was never explored by spacecraft.
The lake is not deep enough for a large boat.
deep ocean currents.
Very easily the ocean, specifically the ocean floor. Right now we are exploring it in what I would call pin pricks. It takes hours to sink to the bottom, we float around a small radius then come back up. Every time we go to the bottom, biologists estimate 1 out of every 2 species seen is a new discovery.
The layer of the ocean extending from the base of the thermocline to the bottom is called the deep zone or deep ocean zone. This region is characterized by consistently cold temperatures and limited sunlight penetration, which affects the marine life and ecosystems found there.
The deep ocean, specifically the abyssal zone (depths greater than 3,000 meters), has been the least explored due to its high pressure, darkness, and remoteness. Only a small percentage of this area has been mapped, and new species are constantly being discovered in these depths.
the use it by seeing how deep the ocean is so the echo will bounce back from the bottom of the ocean to the top
The deepest submarine is built to go 10000 meters under water. This is so they can go to the bottom of the ocean floor.
yes, gold deposits can be found at the bottom of the ocean but we do not have a economical way of retrieving it.
The really deep, bottom layer of the ocean.
Approximately 2.5% of the ocean bottom is covered by trenches, which are deep depressions in the ocean floor that form where tectonic plates collide and one plate is forced beneath the other. These trenches can be incredibly deep, with the Mariana Trench being the deepest known point in the ocean.
most of them are born in Tampa Florida Atlantic ocean in the deep bottom