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Fun Fact! It’s possible to find rivers and lakes beneath the ocean.
![river in sea, river in ocean, ocean river](https://assets.shortpedia.com/uploads/2022/05/05/1651735049.webp?tr=w-1200,h-600,cm-pad_resize,bg-F3F3F3)
Rivers and lakes can be found beneath the ocean. When salt water and hydrogen sulphide combine, it becomes denser than the surrounding water, forming a lake or river that flows beneath the sea.