Everyday Science Hard fpsc ppsc nts

Which scale is used to estimate wind speed based on observed sea or land conditions without instruments?

  • A Richter scale
  • B Beaufort scale
  • C Fujita scale
  • D Saffir-Simpson scale
Correct Answer: Option B — Beaufort scale
Explanation: The Beaufort scale estimates wind speed by observing its effects on sea waves and land conditions providing a practical method for assessing wind force without specialized instruments.
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