USCG USCG GENNAV
Set 5 • Question #135 of 246
Launch Interactive Practice Room A millibar is a unit of __________.
A
humidity
B
precipitation
C
pressure
✓ Correct Answer
D
temperature
USCG NMC Regulatory Explanation
A millibar (mb), equivalent to a hectopascal (hPa), is the standard meteorological unit of atmospheric pressure. Standard mean sea-level pressure is 1013.25 millibars (29.92 inches of mercury).
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