It is the material inside a cell excluded the nucleus.
Deepwater currents in the ocean form near the bottom of the ocean and are caused mainly by differences in the density of the water. These density changes are due to the amount of salt and temperature of the water.
The United Nations Conventions on the Law of the Sea (UNCLOS) declares that seabed area, which does not fall under the jurisdiction of a particular country, is a common natural heritage. The minerals of this area can be usd by anyone. Due to vast presence of sea area, and conflicting boundaries, as well as illegal mininig practices, the imposition of such laws is difficult. The very large sea areas which should not be mined, should be restrained under non mining region. But, mineral-greedy nations are not following such instructions.
The envrionmental implications of ilegal seabed mining includes, destabilisation of oceanic systems, effect on microbial systems of the sea, and danger to the creatures living in the hydrothermal vents, which are not used to light exposure.