Question

Why do ocean and sea water have salt in it??​

Answer 1

Answer:

opening of sea floor is a reason behind it

Explanation:

due to run off land salt came in ocean water

Answer 2

Explanation:

Salt in the ocean comes from two sources: runoff from the land and openings in the seafloor. Rocks on land are the major source of salts dissolved in seawater. Rainwater that falls on land is slightly acidic, so it erodes rocks. ... Ocean water seeps into cracks in the seafloor and is heated by magma from the Earth's core.