How does the light model you change the location of the shadow

The light model helps you change the location of the shadow is because when light comes the shadow moves farther and farther that is what I learned in science today

Light models help because depending ion where it is, it changed the way the shadow appears. That's why youre shadow can appear small or large

The answer which is not a detail carson used to describe the pool in the cave at low tide is b.  hundreds of periwinkles browse the branches and roots of the trees.