How have changing political roles for women influence mortality, fertility, and migration?

Fertility, mortality and migration are principal determinants of population growth (or its inverse). ... and cultural traditions has in many parts of the world reduced the role of fertility. ... and this will influence the average age of the population structure towards the ... Women have high life expectancy than men wherever they live.

Magma forms by partial melting of upper mantle and crust. partial melt means that only a fraction of the available material forms a melt, and that the remainder stays solid. the partial melt rises because of its lower density and ascends through he crust. this is so conclusive mean the answer would be magma igneous rocks or balistic magma.

The answer is i believe low birth rights.hope my answer is the one you are looking for : )