Coast Guard Exams
Question 1265Navigation General70% to pass

When a warm air mass is adjacent to a cold air mass, the separation line between the two is called a(n) _______________.

AI Explanation
The correct answer is B) front. When a warm air mass is adjacent to a cold air mass, the separation line between the two is called a front. A front is the boundary between two air masses with different temperatures, humidity, and other meteorological characteristics. This boundary represents the zone where the warmer and colder air masses meet and interact. The other options are incorrect because: A) Isobars are lines of equal atmospheric pressure. C) Isotherms are lines of equal temperature. D) Equipotential lines represent points of equal electrical potential.

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