Question

the method of heat transfer by which the sun energy reaches the earth is a conduction. b convection. c radiation. d solaration.

Explanation:

Conduction requires direct contact between substances, convection involves the movement of fluids, and "solaration" is not a recognized heat - transfer method. Radiation is the transfer of energy through electromagnetic waves and can occur in a vacuum. The space between the Sun and the Earth is mostly a vacuum, and the Sun's energy reaches the Earth via electromagnetic radiation.

Answer:

C. radiation