Answer:
Two isotopes of the same element have the same number of protons in the nucleus, but differ in the number of neutrons. The nucleon number is equal to the total number of protons and neutrons in the nucleus.
Explanation:
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Mutations in regulatory proteins during the cell cycle may cause affected cells to divide uncontrollably
It could be separated into a group of full black plumage on the bakc, and mixed color on the back.
It’s A the immune system & lymphatic Hope this helps!
it does not have disorder