By what factors are all cultures defined?

a) surroundings, upbringing and experiences,

b) core religious values, family customs, and surroundings

c) surroundings, terrain, and weather patterns

d) upbringing, wars, and the rule of law

answer is a) surrounding, upbringing and experiences

cultures are defined to be the surrounding that gives people feeling of joy which up brings the inner feeling of happiness and gives the experience of the togetherness among the families or relatives.