Question

The air in direct contact with the hot surface is heated by _______

Answer 1

Answer:

Conduction is heat transfer between two objects that are touching each other. When you touch something hot it feels hot because heat is being transferred from the object to your hand. When you touch something cold it feels cold because heat is being transferred from your hand to the object.

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Answer 2

Heat from the Earth's core and radiation from the Sun is transferred to the surface of the Earth by conduction. Contact of the atmosphere with these warm surfaces transfers thermal energy, which then heats up the rest of the air through convection.