weather theoryFAA-published question bank (Private Pilot, 2008)
One of the most easily recognized discontinuities across a front is
A
a change in temperature.✓ Correct Answer
B
an increase in cloud coverage.
C
an increase in relative humidity.
Explanation
PHAK Chapter 12 notes that a change in temperature is one of the most easily recognized discontinuities across a front, since a front separates air masses of different temperature. Cloud coverage and humidity may or may not change noticeably.
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