Question

why the ocean water is saline

Answer 1

salt is present in rocks and comes on land .the rain falls on land they are acidic rain its contains carbon dioxide. Sodium and chloride is salty. And salt we get from salt pans

Answer 2

The salinity of the ocean is not equal at all places. It varies according to the location, especially at the surface. There is a balance between water being removed by evaporation and freshwater added by rivers and rain. This balance helps to control the amount of salinity at various locations of the ocean.