Question

dash is the first fully synthetic fibre​

Answer 1

Answer:

Nylon is the first fully synthetic fiber

Answer 2

Nylon :

Nylon, the first synthetic fiber in the "fully synthetic" sense of that term, was developed by Wallace Carothers, an American researcher at the chemical firm DuPont in the 1930s. It soon made its debut in the United States as a replacement for silk, just in time for the introduction of rationing during World War II.

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