Why are electromagnetic waves used instead of sound waves?

electromagnetic waves can travel through air (solid objects and even space)

Explanation:

Electromagnetic waves are not like sound waves because they do not need molecules to travel.

xo

Answer: Electromagnetic waves are not like sound waves because they do not need molecules to travel. This means that electromagnetic waves can travel through air, solid objects and even space. This is how astronauts on spacewalks use radios to communicate. Radio waves are a type of electromagnetic wave.