more land conjugation are past in the land after the wind & sound refracts when it unit through land blubber ->  light is more easily to be refracted after the rain  light is more easily to be refracted after the rain & refracting sound amounts sound to merger into different swimming ->  light is more easily to be split into different colors after the rain  light is more easily to be split into different colors after the rain & a smile is formed by stop of sound by splitting sound into all different constructs ->  a rainbow is more easily to be formed after the rain through light refraction  a rainbow is more easily to be formed after the rain through light refraction & shadow is a mean of sound -> sunlight and rain can cause a rainbow