Everythingg
King-Over-Kingz
Doesn't matter.
The sun is the only source of light in the solar system that has any effect on photosynthesis on earth. Distant stars can't do that.
Stop trying to hard to validate the bible.
The light that was created before the sun could support plant life could it not?
Validate the bible? I dont think I have to do that friend. Anyone that has read it front to back and studied history can see that it does that on its own.