I'm not sure what the alien Theory says or if there really is such a theory. If the theory says that aliens definitely exist and that they have visited Earth in the past then the theory is totally and completely without any kind of support. It's not scientific in any way because there is no evidence for such a claim. It may be thought to be probable but no solid evidence has ever been presented.
Radio waves
infrared
x-rays
and red and blue light are not a thing, their on a color spectrum called visible light.
The answer is b because kinetic energy is the energy of motion, while potential energy is the energy stored in an object because of its position.
