Crystalisation
water comes from the sea and the filter it and add chemicals to clean the water.
i don't think it naturally becomes clean until you heat it, catch the steam on a cold surface and then the condensed droplets are pure clean water
They get drinking water from their starting ports and pool water from the sea(they clean it out first)
it ussalt takes about 5 years to make it completely clean of oil... and they clean out the water by water pump ship that clean out the water. as for the dead fish they have other boats net them out of the water...
The frozen fresh water that forms the ice sheet -- covering 98% of Antarctica's surface -- is exceptionally clean. The sea water that surrounds Antarctica is also clean,, requiring no more than removing the salt to make it potable for human consumption.
I think you should wash it with warm water with a clean dish cloth.
Water displacement. :\ less resistance in clean water.
Sea water helps humans mainly through providing employment, clean water, air conditioning, aquaculture, and clean energy. Marine based careers provide employment, clean water can be procured through desalination to poorer areas, it can be added to air conditioning to reduce energy costs, aquaculture can provide food production, and ocean thermal energy can provide a clean energy source all day every day.If you mean "how is water from the sea useful to us" The water can be filtered in desalination plants to create water clean enough to drink. The water could be evaporated to leave sea salt for food. It could even be used for hydro electricity where gravity pushes it through a turbine to generate large amounts of clean electricity.
The sea before was clean,but now it is dirty
water shore clean up
you cant the sea is never going to be clean