Genesis 1:7
So God made the expanse and separated the waters beneath it from the waters above. And it was so.
Berean Standard Bible
And 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.
God made the expanse, and divided the waters which were under the expanse from the waters which were above the expanse; and it was so.