Question

The method of heat transfer by which the sun warms the earth is

Answer 1

Answer:

C

Explanation:

Because between the earth and sun is empty space (vacuum) transfer of heat from the sun to earth can only occur through radiation-  because convection and conduction require a medium. The is the same process that warms your hands when you place them beside a fire. When you put your hands above the fire, they are warmed through convection.