Yes yes ! How right you are ! Truer words were never spoken.
The unit for power is Watts. the newton is a unit for force. joules for energy and meters for distance
I think it’s ultraviolet, if not i’m sorry!
No, options are given but I believe the answer would be
In a water cycle Solid state of matter has the particles closest together.
Some examples of when friction is helpful are: to help the movement of tires. When you walk, and also, when you erase. :)