The average atmospheric pressure at sea level is:
- 1,013.2 mb
- 1,000 mb
- 1,103.2 mb
- 913.2 mb
Show answer and solution
Correct answer: A. 1,013.2 mb
1. Pressure is the weight of a column of air.
2. Sea-level average is 1,013.2 milibar.
3. It is measured with a barometer.
_Source: syllabus Fundamentals of Physical Geography, Chapter 10, Atmospheric Circulation and Weather Systems._