Multiple choice

Which of the following is NOT a synthetic fiber?

  1. polyester fibers

  2. stem fibers

  3. nylon fibers

  4. acrylic fibers
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Stem fibers (like flax or hemp) are natural plant fibers. Polyester, nylon, and acrylic are all synthetic fibers created through chemical processes.

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