Genesis 1 7
So God made the horizon and separated the water above and below the horizon. And so it was.
Compare with other 3 random translations
NLT Genesis 1:7And that is what happened. God made this space to separate the waters of the earth from the waters of the heavens.
KJV Genesis 1:7And God made the firmament, and divided the waters which were under the firmament from the waters which were above the firmament: and it was so.
LSV Genesis 1:7And God makes the expanse, and it separates between the waters which are under the expanse, and the waters which are above the expanse: and it is so.