C 82.4 N sorry man if i am wrong but don't even think about reporting my answer
How planets look like,and maybe How the planets were created
Answer:
Gamma rays occupy the short-wavelength end of the spectrum; they can have wavelengths smaller than the nucleus of an atom. Visible light wavesare one-thousandths the width of human hair--about a million times longer than gamma rays. Radio waves, at the long-wavelength end of the spectrum, can be many meters long.
Mass always stays the same therefore it can’t be c and d. Volume stays the same because she is not removing anything. Therefore it is a