17. Deep Sea
The rest of the 95% of the ocean that is remained unexplored is known as the deep sea. Even submarines cannot go that deep. As a result, they have remained unexplored and hidden.
25 Interesting Facts Regarding Our Ocean Bodies
17. Deep Sea
The rest of the 95% of the ocean that is remained unexplored is known as the deep sea. Even submarines cannot go that deep. As a result, they have remained unexplored and hidden.