The movement of ocean waters takes place in three different ways, viz waves, currents and tides.
The ocean is the final repository of debris from the land.
Salinity is defined as the total amount of solid material in grams contained in one kilogram of sea water end is expressed as part per thousand.
The temperature of the oceanic water is important for marine organisms including Phytoplanktons and Zooplanktons.
‘A volcano is a vent, or opening, usually circular in form, through which heated materials consisting of gases, water, liquid lava and fragments of rocks are ejected from the highly heated interior to the surface of the earth.’