<span>Carol feels that only Andy gave her a genuine smile because Brad gave her the 'pan am' smile. A pan am smile is referred to as the 'fake but polite smile' because the person does not actually use all of the muscles in their face to create the smile, but instead puts in the least amount of effort possible to merely be polite without actually meaning it.</span>
Interestingly, interaction analyses revealed that features of the social and physical environment worked together: for example, levels of walking were highest when a neighbourhood had both high levels of social interaction and aesthetically-pleasing built form.
If a researcher wanted to find someone's rate of respiration they'll have to measure the lung capacity. The answer to the first question is letter B. The structure branches further into alveoli through the bronchiole. The answer to the second question is C.
