Respuesta :
Answer: ROYGBIV
Explanation: Its simple, Rain rain go away is a song about rain and not a rainbow. While ROYGBIV stands for Red, Orange, Yellow, Green, Blue, Indigo, and Violet. This helps you remember it, which is also called a mnemonic.
Definitions:
Mnemonic- A device such as a pattern of letters, ideas, or associations that assists in remembering something.
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