Isotopes are elements with same atomic number Z= number of protons but different mass number A, where A= Z+N, N= number of neutrons which is variable. As for radioisotopes, I’ve never heard of them before !
Answer:
bones,muscles, and tendons
Explanation:
lose past memories and the ability to acquire new
memories will remain unaffected.
Answer: zooplankton, small nekton
Explanation: