The Ants - 27:61
Who made the earth a dwelling place, and caused rivers to flow between them, and placed firm mountains on it, and placed a barrier between the two waters? Another god besides Allah? Verily, most of them do not know.
Related:
The Ants/27:61
Who made the earth a dwelling place, and caused rivers to flow between them, and placed firm mountains on it, and placed a barrier between the two waters? Another god besides Allah? Verily, most of them do not know.
The Most Gracious/55:19
He has released the two seas; they meet each other.
The Most Gracious/55:20
There is a barrier between them; they do not transgress and interfere with each other.
The Criterion/25:53
He has released the two seas, this one fresh and sweet, this one salty and bitter. He has placed between them a strong barrier preventing them from mixing.