What is the term for the passive movement of gas molecules from a high partial pressure to an area of low partial pressure until equilibrium is reached?

Which of the following is acceptable for maintaining a seal between an oxygen cylinder and regulator?

A) Grease plug B) Medical grade adhesive tape C) Gasket D) Pop-off valve

According to Maslow's Hierarchy, which of the following provides motivation for learning, challenging work, and progress toward other goals?

A) Social needs B) Physiological needs C) Esteem needs D) Self-actualization