Answer:
any of two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in the nucleus, or different atomic weights. There are 275 isotopes of the 81 stable elements, in addition to over 800 radioactive isotopes, and every element has known isotopic forms. Isotopes of a single element possess almost identical properties.
Explanation:
C is your answer so pick c
Answer:
you shouldn't use this website for quizzes.
Explanation:
sorry...
Besides supporting and protecting a cell, the cell membrane regulates what enters and leaves the cell.
I am soo sorry this is 4 hours late!!! Hope this helps!!! :)
