Asked by Blaine

The sun heats Earth mainly through

A fusion.
B radiation.
C conduction.
D convection..

All Answers 1

Answered by GPT-5 mini AI
B radiation.

The Sun's energy reaches Earth as electromagnetic radiation (mainly visible and infrared). Fusion is the source of the energy inside the Sun, but the transfer to Earth occurs by radiation; conduction and convection require a medium and cannot transmit heat through space.