The atmosphere is heated by various complex processes, but the source of nearly all atmospheric heating is the sun by - Radiation.
Radiation
Heat travels in the form of short wave radiation that moves through the atmosphere without noticeably warming it. When it reaches the earth's surface some of the heat is absorbed by the surface.
solar radiation is absorbed and emitted by the atmosphere, mainly by water vapor and carbon dioxide that heat the atmosphere and surface of the earth.
Learn more about Radiation:
https://brainly.com/question/893656
