Genesis 1:4, 6-7, 14, 18
Genesis 1:6-7 NCV
Then God said, “Let there be something to divide the water in two.” So God made the air and placed some of the water above the air and some below it.
Genesis 1:14 NCV
Then God said, “Let there be lights in the sky to separate day from night. These lights will be used for signs, seasons, days, and years.
Genesis 1:18 NCV
to rule over the day and over the night, and to separate the light from the darkness. God saw that all these things were good.