Question

where does most radiant energy come from? the earth the sun powerplants electronic devices

Explanation:

Radiant energy is the energy of electromagnetic waves. The Sun is the primary source of radiant energy for Earth. It emits a vast amount of electromagnetic radiation (like light, heat) that reaches Earth. The Earth itself radiates energy but not as the main source of radiant energy we receive. Powerplants and electronic devices produce much less radiant energy compared to the Sun.

Answer:

The Sun