Why do people move through the hierarchy from the bottom to the top? (Maslow's hierarchy of needs)

What are the main functions of the human skeleton? a exchange of gases b support and movement c sensing the environment d digestion and excretion

What is the objective ideal and how does it apply to interpersonal communication?

If you have a green turn signal light, you must before making your turn. a. check the crosswalk b. yield to cross traffic and check the crosswalk c. turn off your car's turn signal d. none of the above