What color does the security thread on the $5 bill glow under ultraviolet light?

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Multiple Choice

What color does the security thread on the $5 bill glow under ultraviolet light?

Explanation:
Ultraviolet light reveals security features built into currency. The security thread is an embedded strip that fluoresces when exposed to UV light, and the color it glows is set to indicate the denomination. For the $5 bill, the thread glows blue under UV light. This blue glow helps distinguish it from other notes, which have threads that glow different colors.

Ultraviolet light reveals security features built into currency. The security thread is an embedded strip that fluoresces when exposed to UV light, and the color it glows is set to indicate the denomination. For the $5 bill, the thread glows blue under UV light. This blue glow helps distinguish it from other notes, which have threads that glow different colors.

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