A. Objects on the ground cool below the dew point temperature.
B. The dew point is 32oF or below.
C. Water vapor changes into ice without first becoming a liquid.
D. All of the above
✅ The correct answer is option D.
Frost forms when an outside surface cools past the dew point. The dew point is the point where the air gets so cold, the water vapour in the atmosphere turns into liquid.
Frost forms when an outside surface cools past the dew point. The dew point is the point where the air gets so cold, the water vapour in the atmosphere turns into liquid.