Question

Can someone give me 8-9

Answer 1

8).  A rubber band is storing more elastic energy in it when it's stretched. 
It's the work you had to do to stretch it.

9).  Radio, TV, microwave, infrared (heat), visible light, ultraviolet light, X-rays,
and gamma rays are all part of the electromagnetic spectrum, and all of them
carry energy from one place to another.