Question

visible light is which type of wave? seismic mechanical electromagnetic longitudinal

Explanation:

Visible light is a part of the electromagnetic spectrum. Electromagnetic waves do not require a medium to travel and consist of oscillating electric and magnetic fields. Seismic waves are related to earthquakes, mechanical waves require a medium (like sound waves), and longitudinal waves are a type of mechanical wave (e.g., sound in air is longitudinal). So visible light is an electromagnetic wave.

Answer:

C. electromagnetic