Page 1Page 2 Different types of heat transfer. Heat transer by conduction from the ground to the air. Heat transfer by radiation in the air. Heat transfer by radiation from the sun to the air. Heat transfer by convection from ground to air and back to ground. Which title best reflects the main idea of the passage? The Role of Convection in the Distribution of Earth's Energy The Role of Heat Transfer Methods in the Distribution of Earth's Energy Conduction, Convection, and Radiation: Methods of Heat Transfer Conduction, Convection, and Radiation: The Heating Up of Earth's Surface.