The Frequent Fogs That Contribute to Shipping Hazards Along the Coast

Multiple Choice

The frequent fogs that contribute to shipping hazards along the coast of the Atlantic Periphery are most often caused by

A) The interaction of a warm ocean current with cold air masses.
B) The cooling of land after sunset which causes condensation in the air.
C) Winds blowing up a slope causing cooling and condensation.
D) Cold air settling into valleys while warmer air passes over.