Answer:
Waves carry energy from one place to another. Because waves carry energy, some waves are used for communication, eg radio and television waves and mobile telephone signals. There are many types of waves including sound waves, water waves and all the parts of the electromagnetic spectrum.
Explanation:
Similar properties. Cause they have the same number of valence electrons
Whenever a net force acts on an object, it means object is under acceleration which implies that there is change in the object's velocity.
