1. Many changes take place in a mother and child during the first six weeks after birth. What is this period of adjustment called? O cesarean period
postpartum period
afterbirth period
O premature period

why do the isotopes of a particular element behave differently in nuclear reactions but the same in chemical reactions? chemical reactions involve changes to electrons in an atom; isotopes do not differ in electrons, and so they react the same way during chemical changes.

the answer is 0.42 is that is an option. this question provides no info