They are electromagnetic.
Electro-magnetic
Yes, they are.
No difference at all. Radio waves are one of many types of electromagnetic waves.
Infrared waves are shorter than radio waves and longer than visible light waves.
electromagnetic waves
Light and heat are very helpful to human beings, and radio has become pretty important too.
They are transverse waves.
Frequency determines this.
no
Yes.
no, mechanical waves are not radio waves
Transverse. Radio waves are electromagnetic waves, which are transverse.
Radio waves ARE electromagnetic waves.