Thermal energy from the sun travels to earth as what kind of waves?

The correct answer is electromagnetic waves.

Explanation:

The energy from the Sun that reaches the earth arrives as solar radiation. It is a part of large collection of energy called electromagnetic spectrum. The solar radiation includes ultraviolet, infrared rays, visible light, X-ray and gamma rays.

Heat is transferred by radiation. The energy is carried by electromagnetic wave. The energy is carried from the Sun to space surrounding.

Therefore, thermal energy from the Sun travels to Earth as electromagnetic waves.          

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