Sure, considering they are all invisible.
No. Radar waves are one category of radio waves. Think of all the radio waves that are all around you right now . . . AM radio, FM radio, police and fire radio, highway patrol radio, taxi radio, television picture and sound radio waves, cellphone radio waves, garage-door-opener radio waves, bluetooth radio waves, WiFi waves, microwaves ... and you can't see any of them ! Radar waves can easily be there in the group.
they all have to do with water.
Microwaves ARE radio waves, and they move with the same speed as all other electromagnetic waves.
They are all radio waves with frequencies lower than visible light.
Light waves, sound waves, and radio waves are all forms of energy that propagate through a medium (such as air or space) in the form of waves. They all have different wavelengths and frequencies, which determine their properties and how they interact with the environment.
Yes, like all electromagnetic waves.
All of them can be used to add information to the waves.
Koalas and pandas do not look alike at all.
They do not look alike. Each has a distinctive appearance.
Radio waves are in all parts of the atmosphere. Some, but not all, radio waves are reflected from the ionosphere, permitting transmission over greater distances.
Radio waves hit all obstacles the same, but the waves will differ in the distance of the wave and/or the object from the transmitter.
All electromagnetic waves, including radio.