Q. What Benjamin Franklin invented?

  • (A) Bifocal spectacles
  • (B) Hygrometer
  • (C) Radio
  • (D) Barometer
✅ Correct Answer: (A) Bifocal spectacles

Published by Ram Sharma ⭐ 193.88K Points at 12-Jan-2022 03:39 pm in General Awareness

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