Answer:
What is seen in the water and in the sky? It is part of the rainbow and can be in your eye
When is 1500 plus 20 and 1600 minus 40 the same thing?
There's one in every deck of cards and in a famous movie
It's what light turns into in the night
Cycle Cycle Cycle.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?