Answer:
Using advanced submersible technologies, remarkable new deep-water ecosystems have been discovered.
Step-by-step explanation:
A submersible pump also called an electric submersible pump, is a pump that can be fully submerged in water. The motor is hermetically sealed and close-coupled to the body of the pump. The major advantage of a submersible pump is that it never has to be primed because it is already submerged in the fluid.
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