What process results in the formation of advection fog?

Question

Question PPL(A) - Private Pilot License - Meteorology

QuizVDS · Accepted Answer

Warm, moist air is moved across cold ground areas

QuizVDS · Answer

Cold, moist air is being moved across warm ground areas

QuizVDS · Answer

Cold, moist air mixes with warm, moist air

QuizVDS · Answer

Prolonged radiation during nights clear of clouds

PPL(A) EN: What process results in the formation of "advection fog"? Id: 62