+ 1.58 e -15
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The following answers in the blank could be Sigmund Freud who found the psychoanalysis and Karen Horney who is known to be a psychoanalyst. Both of them has the idea that childhood experiences is necessary and plays the important role in the individual as he or she grows.
1.) C
2.) B
3.) D
4.) B
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Answer:isotopes
Explanation:Isotopes form when the number of neutrons and atomic number change except for the protons don't change