Question

If we collect all the salts in the ocean, its weight will be 120 million tonnes. If we spread it on the earth, it will form a 150m thick layer (almost equivalent to a 40-storeyed building). From where have these salts come in the sea?​

Answer 1

Answer:

Salt in the ocean come from two Sources :-

Explanation:

Runoff from the land and Opening in the sea floor . Rock and land are the Major sources of salt dissolved in Seawater

Answer 2

Answer:

Salt come from sea rocks