A. indigo dye and white alum
B. yellow dye and white alum
C. red dye and white alum
D. green dye and white alum
Correct Answer: Option A
A. indigo dye and white alum
A. indigo dye and white alum
B. yellow dye and white alum
C. red dye and white alum
D. green dye and white alum
Correct Answer: Option A
A. indigo dye and white alum
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