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The student wants to emphasize a difference between the two approaches to dyeing blue jeans. Which choice most effectively uses relevant information from the notes to accomplish this goal?

25 Mar

The student wants to emphasize a difference between the two approaches to dyeing blue jeans. Which choice most effectively uses relevant information from the notes to accomplish this goal?

While researching a topic, a student has taken the following notes:

  • Traditionally, manufacturers have dyed denim jeans blue by dipping them in a solution containing indigo powder.
  • Indigo doesn’t dissolve in just water, so manufacturers must mix hazardous chemicals with water to dissolve the powder.
  • Textile researcher Smrithi Rai discovered a process for dyeing blue jeans without chemicals.
  • Rai added indigo powder to a hydrogel containing nanocellulose and produced a dye that could be spread directly onto the denim.
  • Nanocellulose is a natural, plant-based substance that separates the molecules of indigo powder.

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