Answer:
R-ed
O-range
Y-ellow
G-reen
B'lue
I-ndigo
V-iolet
Explanation:
An rainbow has a 7 color,a rainbow is caused by sunlight and atmospheric conditions. Light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet, separating into its component wavelengths--or colors. When light exits the droplet, it makes a rainbow
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