When dose energy transfer from air to land

When the temperature of the Earth is regulated by it's atmosphere.

Explanation:

Conduction directly affects air temperature only a few centimeters into the atmosphere. During the day, sunlight heats the ground, which in turn heats the air directly above it via conduction. At night, the ground cools and the heat flows from the warmer air directly above to the cooler ground via conduction.

1 is the answer to this problem