Which of the Following Statements Describes How Frontal Fog Most

Multiple Choice

Which of the following statements describes how frontal fog most commonly forms?

A) It forms as warm raindrops fall into a layer of colder air.
B) It forms as cold raindrops fall into a layer of warmer air.
C) It forms as warm raindrops fall into a layer of windy air.
D) It forms as cold raindrops fall into a layer of windy air.