According to Maslow's hierarchy of basic human needs, which of the following represents the correct order of needs, progressing from the most basic, which must be met first, to the more advanced?
a) Self-esteem needs, Safety needs, Physiological needs, Love and belongingness needs
b) Physiological needs, Safety needs, Love and belongingness needs, Self-esteem needs
c) Safety needs, Physiological needs, Love and belongingness needs, Self-esteem needs
d) Physiological needs, Love and belongingness needs, Safety needs, Self-esteem needs