Human beings everywhere have essentially the same biological constitution, yet their paths through the life span are remarkably different depending on .

Their culture

Explanation:

Culture is the total pattern of customs, ideas, beliefs, art, and technology of a particular group of people or society. It distinguishes the paths through life span of human beings despite having essentially the same biological constitution. It is the way of life of a particular group of people, that is socially transmitted from generation to generation

it's diluted or concentrated

in a diluted solution, you can add a lot more solute but in concentrated only a little more can be added