Multiple choice general knowledge science & technology

What J. B. Dunlop invented?

  1. Pneumatic rubber tire

  2. Automobile wheel rim

  3. Rubber boot

  4. Model airplanes
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

John Boyd Dunlop invented the pneumatic rubber tire in 1888. He developed it to provide a smoother ride for his son's tricycle, and his invention revolutionized transportation by making bicycles and automobiles more comfortable.

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