Geography · Measurement and Units of Atmospheric Pressure
What is the standard atmospheric pressure at sea level measured on a mercury column scale?
- 168 cm or 26.77 inches
- 280 cm or 31.50 inches
- 372 cm or 28.35 inches
- 476 cm or 29.92 inches✓
Correct answer
76 cm or 29.92 inches
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