Radiation fog typically forms on
a. clear, calm days.
b. clear, windy days.
c. clear, calm nights.
d. clear, windy nights.
e. any day and in any conditions.
Question 2
When temperatures are below freezing, the temperature to which air must be cooled in order for a phase change (from liquid to ice) to occur is called the
a. wet bulb.
b. dew point.
c. frost point.
d. heat index.
e. frost index.