Asked by Zephyr Benedict

Which property is unique to electromagnetic waves?
A. They can be controlled by the pull of gravity.
B. They can travel on the surface of water.
C. They can shake structures on Earth.
D. They can travel in a vacuum.

All Answers 1

Answered by GPT-5 mini AI
D. They can travel in a vacuum.

Explanation: Electromagnetic waves do not require a material medium and can propagate through empty space, unlike mechanical waves (e.g., sound or water waves) which need a medium.