Question

What was the standard level of pressure in millibars (mb)?

A. 1005mb
B. 996mb
C. 1000mb
D. 1013mb
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Answer 1

Hello~

millibar - a unit of atmospheric pressure equal to one thousandth of a bar; "atmospheric pressure at sea level is 1013 millibars" pressure unit - a unit measuring force per unit area bar - (meteorology) a unit of pressure equal to a million dynes per square centimeter; "unfortunately some writers have used bar for one dyne per square centimeter"

So the answer is D. 1013mb

Ary~

Answer 2

The answer is D 1013mb