Question

1. radiation - transfer of heat by _. - can travel through _ (no matter needed). - example: _

Explanation:

Radiation is the transfer of heat by electromagnetic waves. It can travel through a vacuum (no matter needed). An example is the heat from the Sun reaching the Earth.

Answer:

• Transfer of heat by electromagnetic waves.
• Can travel through a vacuum (no matter needed).
• Example: Heat from the Sun reaching the Earth.