Final answer:
The material popularized by Coco Chanel that shows vertical lines, made from wool, is tweed. Tweed is distinctive for its mixed flecked appearance and flexible texture. The correct option is b.
Step-by-step explanation:
The single weft knit made from wool that was popularized by Coco Chanel in the 1920s and 30s, and shows vertical lines on the face is tweed. Tweed is a woolen fabric with a soft, open, flexible texture and is identified by its mixed flecked appearance and its weave structure that creates a distinctive pattern.
Coco Chanel revolutionized women's fashion with her tweed jacket, becoming a timeless symbol of style. In contrast, corduroy is a ridged fabric typically made of cotton, chiffon is a lightweight, sheer fabric made from silk or synthetic fibers, and fleece is a soft napped insulating fabric made from polyester. The correct option is b.