Answer:
Most food and drinks are mixtures as they are not chemically bonded and also beacuse they are made up of two or more substances
Explanation:
Answer:
cell pohnes convert sound waves into radio waves
electromagnetic waves used in cellphone communications are called: radio waves
To send out a radio signal far and wide.. it is called: broadcast
Explanation:
That tells us that the frequency of the sound wave increased, the period decreased, and the wavelength decreased. The guitar player may be twanging a higher string, OR he may be playing the same note but started walking toward us.
Explanation:
sorry I can't help u right now
