Which change most reduced fertility rates in less developed countries? a. building hospitals and healthcare facilities
b. providing more education for girls
c. implementing pro-natalist policies
d. discouraging the use of birth control/contraception
e. promoting fundamentalist religious values

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle