D. Microwaves use radiation, hence the “wave” in microwave
7.5 I think because it can not be 9 because it’s not close to 50
The speed of light is......299 792 458 m / s
Answer:
henry moseley was an english physicist, whose contribution to the science of physics was the justification from physical laws of the previous chemical concept of the atomic number. one of his developments were of moseley's law in x-ray spectra.
Explanation: