Mass number = protons + neutrons
If you have the # of protons and the mass #, subtract the number of protons from the mass number to get the number of neutrons.
If you have the number of neutrons and the mass number, subtract the number of neutrons from the mass number to get the number of protons.
<span>B. less energy than gamma rays but more than ultraviolet
Hope this helps!
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that is has a nucleus and also a cell wall
