For the first three days of existence, the earth was lit by the light created on Day 1 (Genesis 1:3), while the day/night cycle was caused by the earth s rotation relative to this directional light source.
(the earth; was lit; by the light; T:For the first three days of existence) (the light; created; T:on Day 1) (the day/night cycle; was caused; by the earth)
the earth the light the day/night cycle
was lit created was caused
by the light T:For the first three days of existence
T:on Day 1
by the earth