Question

the air in direct contact with the earth's hot surface is heated by------------​

Answer 1

Explanation:

$\huge\bold\red{ANSWER}$

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.

Answer 2

Answer:

Conduction

Explanation:

The upper answer is copied from G00gle ;)