¿cual es la diferencia entre las fuentes de la demografía y los indicadores demográficos?

The diffusion of religion is biggest described as the process of

Was “labor violence” inevitable and unavoidable? what factors played into causing much of the confrontation between unions and big buisness

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?