Multiple choice general knowledge science & technology

Who invented Naturally colored cotton?

  1. Hady Lamarr

  2. Ruth Handler

  3. Ellen Ochoa

  4. Sally Fox
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Sally Fox is an inventor and breeder who developed 'FoxFibre,' the first commercially viable naturally colored cotton that could be spun by machines. Hedy Lamarr co-invented frequency hopping, and Ruth Handler created the Barbie doll.

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