aaawkins1079 aaawkins1079

07-03-2022
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What visible light color did humans use to color jeans with?

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keithgwoods keithgwoods

07-03-2022

Answer:

pigments for blue

Explanation:

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gygarcia2006 gygarcia2006

07-03-2022

Pigments for blue have come from azurite, ultramarine, smalt, indigo, a double oxide of cobalt and aluminum, and artificial chemical compounds. Indigo was used as a dye to colour cloth for trousers, which became known as blue jeans.

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